Isacord 40 to Marathon Polyester thread conversion chart

The closest Marathon Polyester equivalent for every Isacord 40 color — 398 colors, each with a match rating and two alternatives. Click any number for full details and Pantone approximations.

14%very close or better

58%close or better

398Isacord 40 colors

301Marathon Polyester colors

Near identical 28
Very close 28
Close 174
Approximate 146
Poor match 22

Reverse: Marathon Polyester → Isacord 40 Open converter Shop Marathon Polyester ↗

398 colors

					Match	Alternatives
0003	Ghost White	→	2115	Palest Ivory	Close ΔE 3.1	2271 2298
0010	Silky White	→	2271	Cloud Dancer	Close ΔE 3.8	2116 2149
0015	White	→	2271	Cloud Dancer	Approximate ΔE 5.0	2116 2149
0017	Paper White	→	2271	Cloud Dancer	Approximate ΔE 5.0	2116 2149
0020	Black	→	2150	Dark Grey	Poor match ΔE 11.2	2306 2285
0101	Eggshell	→	2271	Cloud Dancer	Close ΔE 4.0	2116 2149
0105	Ash Mist	→	2299	Pearl Blue	Close ΔE 2.9	2139 2300
0108	Cobblestone	→	2140	Banner Gray	Close ΔE 2.9	2292 2145
0111	Whale	→	2296	Gull	Approximate ΔE 5.8	2112 2140
0112	Leadville	→	2296	Gull	Approximate ΔE 5.8	2112 2140
0124	Fieldstone	→	2098	Almost Aqua	Close ΔE 4.6	2122 2136
0128	Navajo	→	2112	Stormy Sea	Poor match ΔE 13.2	2130 2267
0131	Smoke	→	2303	Dapple Gray	Close ΔE 4.0	2139 2144
0132	Dark Pewter	→	2213	Purple Sage	Poor match ΔE 14.0	2150 2112
0134	Smoky	→	2150	Dark Grey	Approximate ΔE 6.0	2285 2254
0138	Heavy Storm	→	2075	Deep Windsor	Poor match ΔE 14.3	2220 2221
0142	Sterling	→	2139	Traditional Gray	Close ΔE 2.6	2300 2299
0145	Skylight	→	2137	Blue Blush	Close ΔE 3.9	2138 2298
0150	Mystik Grey	→	2300	Highrise	Close ΔE 3.4	2258 2259
0151	Cloud	→	2277	String	Very close ΔE 2.2	2280 2281
0152	Dolphin	→	2296	Gull	Close ΔE 4.5	2249 2140
0182	Saturn Grey	→	2138	Pearl Gray	Close ΔE 2.9	2137 2298
0184	Pearl	→	2273	Crystal Gray	Very close ΔE 1.1	2297 2272
0220	Sunbeam	→	2155	Lemon	Close ΔE 4.3	2017 2016
0221	Light Brass	→	2017	Light Yellow	Close ΔE 4.2	2155 2016
0230	Easter Dress	→	2016	Pale Yellow	Very close ΔE 2.0	2017 2155
0232	Seaweed	→	2016	Pale Yellow	Approximate ΔE 5.4	2158 2026
0250	Lemon Frost	→	2154	Tender Yellow	Close ΔE 4.6	2158 2245
0270	Buttercream	→	2117	Whisper White	Approximate ΔE 7.5	2255 2149
0310	Yellow	→	2155	Lemon	Close ΔE 4.3	2017 2016
0311	Canary	→	2005	Daffodil	Very close ΔE 1.2	2018 2019
0345	Moss	→	2028	Sun Shadow	Close ΔE 4.1	2027 2162
0352	Marsh	→	2016	Pale Yellow	Close ΔE 4.0	2017 2245
0442	Tarnished Gold	→	2100	Dark Green	Approximate ΔE 6.5	2026 2017
0453	Army Drab	→	2256	Silver Fern	Close ΔE 3.2	2275 2027
0454	Olive Drab	→	2111	Palmetto	Approximate ΔE 10.0	2250 2113
0463	Cypress	→	2112	Stormy Sea	Approximate ΔE 8.3	2301 2249
0465	Umber	→	2250	Pale Green	Approximate ΔE 7.6	2111 2110
0501	Sun	→	2018	Daffodil	Very close ΔE 1.7	2005 2155
0506	Yellow Bird	→	2155	Lemon	Close ΔE 2.8	2017 2018
0520	Daffodil	→	2016	Pale Yellow	Close ΔE 4.2	2017 2154
0532	Champagne	→	2158	Tusk	Close ΔE 3.4	2255 2154
0542	Ochre	→	2026	Pale Yellow	Approximate ΔE 8.4	2020 2019
0546	Ginger	→	2027	Pale Green / Yellow	Approximate ΔE 6.5	2026 2159
0552	Flax	→	2275	Rattan	Close ΔE 3.7	2123 2121
0555	Light Sage	→	2249	Seneca Rock	Approximate ΔE 8.7	2296 2112
0576	Very Dark Brown	→	2285	Espresso	Very close ΔE 2.2	2150 2212
0600	Citrus	→	2155	Lemon	Approximate ΔE 5.1	2018 2005
0605	Daisy	→	2018	Daffodil	Very close ΔE 2.1	2005 2155
0608	Sunshine	→	2020	Canary	Very close ΔE 1.3	2019 2005
0630	Buttercup	→	2016	Pale Yellow	Close ΔE 3.2	2154 2017
0640	Parchment	→	2255	Cocoa Mulch	Close ΔE 4.9	2117 2158
0643	Barewood	→	2275	Rattan	Very close ΔE 2.1	2256 2027
0651	Cornsilk	→	2255	Cocoa Mulch	Close ΔE 4.5	2118 2158
0660	Vanilla	→	2154	Tender Yellow	Close ΔE 4.3	2158 2255
0670	Cream	→	2271	Cloud Dancer	Approximate ΔE 5.1	2117 2149
0672	Baquette	→	2118	Whisper Pink	Close ΔE 2.4	2119 2120
0674	Armour	→	2112	Stormy Sea	Poor match ΔE 12.6	2296 2130
0700	Bright Yellow	→	2157	Mango	Close ΔE 2.8	2156 2023
0702	Papaya	→	2019	Moonbeam	Close ΔE 2.9	2005 2018
0703	Orange Peel	→	2021	Buttercup	Close ΔE 2.5	2159 2023
0704	Gold	→	2017	Light Yellow	Very close ΔE 1.9	2155 2016
0713	Lemon	→	2155	Lemon	Very close ΔE 1.6	2017 2018
0721	Antique	→	2030	Copper	Approximate ΔE 5.9	2162 2025
0722	Khaki	→	2032	Roebuck	Approximate ΔE 7.9	2127 2296
0731	Applesauce	→	2275	Rattan	Approximate ΔE 5.7	2025 2162
0741	Wheat	→	2159	Penny	Approximate ΔE 5.8	2026 2126
0747	Golden Brown	→	2028	Sun Shadow	Poor match ΔE 10.9	2162 2030
0761	Oat	→	2255	Cocoa Mulch	Close ΔE 3.5	2117 2149
0763	Dark Rattan	→	2249	Seneca Rock	Poor match ΔE 11.9	2296 2112
0776	Sage	→	2296	Gull	Approximate ΔE 9.7	2249 2134
0781	Candlewick	→	2118	Whisper Pink	Close ΔE 4.2	2119 2255
0800	Goldenrod	→	2018	Daffodil	Close ΔE 3.3	2005 2155
0811	Candlelight	→	2021	Buttercup	Very close ΔE 1.8	2020 2159
0821	Honey	→	2020	Canary	Close ΔE 3.4	2021 2019
0822	Palomino	→	2026	Pale Yellow	Close ΔE 3.0	2159 2126
0824	Liberty Gold	→	2049	Golden Poppy	Close ΔE 4.3	2048 2175
0832	Sisal	→	2275	Rattan	Close ΔE 3.0	2121 2123
0842	Toffee	→	2160	Apricot Wash	Close ΔE 4.7	2024 2286
0851	Old Gold	→	2126	Impala	Close ΔE 2.9	2123 2286
0853	Pecan	→	2127	Fawn	Approximate ΔE 6.6	2032 2249
0861	Tantone	→	2255	Cocoa Mulch	Close ΔE 4.5	2118 2158
0862	Wild Rice	→	2276	Simply Taupe	Close ΔE 4.2	2277 2280
0870	Muslin	→	2117	Whisper White	Close ΔE 3.7	2149 2271
0873	Stone	→	2122	Gray Morn	Close ΔE 4.1	2258 2259
0874	Gravel	→	2278	Adobe Rose	Near identical ΔE 1.0	2124 2282
0904	Spanish Gold	→	2050	Dark Yellow	Close ΔE 2.9	2029 2157
0922	Ashley Gold	→	2030	Copper	Near identical ΔE 0.1	2029 2162
0931	Honey Gold	→	2029	Almond	Approximate ΔE 5.2	2030 2175
0932	Nutmeg	→	2025	Old Gold	Close ΔE 4.5	2162 2027
0933	Redwood	→	2289	Orange / Brown	Approximate ΔE 7.3	2290 2131
0934	Fawn	→	2121	Amber Beige	Close ΔE 4.2	2128 2281
0940	Autumn Leaf	→	2025	Old Gold	Close ΔE 4.1	2162 2023
0941	Golden Grain	→	2127	Fawn	Approximate ΔE 6.7	2030 2029
0945	Pine Park	→	2131	Light Cocoa	Approximate ΔE 9.4	2127 2283
0970	Linen	→	2117	Whisper White	Approximate ΔE 6.6	2149 2271
1030	Passion Fruit	→	2288	Bamboo	Close ΔE 4.1	2024 2160
1032	Bronze	→	2030	Copper	Close ΔE 3.0	2029 2162
1055	Bark	→	2289	Orange / Brown	Approximate ΔE 7.3	2290 2131
1060	Shrimp Pink	→	2158	Tusk	Close ΔE 5.0	2255 2126
1061	Taupe	→	2275	Rattan	Close ΔE 4.9	2121 2128
1102	Pumpkin	→	2157	Mango	Very close ΔE 2.2	2156 2023
1106	Orange	→	2048	Golden Poppy	Close ΔE 4.3	2049 2175
1114	Clay	→	2050	Dark Yellow	Approximate ΔE 6.8	2048 2288
1115	Copper	→	2289	Orange / Brown	Near identical ΔE 0.4	2290 2131
1120	Sunset	→	2156	Merit Gold	Close ΔE 2.3	2023 2022
1123	Caramel Cream	→	2275	Rattan	Near identical ΔE 0.3	2256 2027
1133	Peru	→	2275	Rattan	Approximate ΔE 6.2	2288 2024
1134	Light Cocoa	→	2283	Dark Brown	Approximate ΔE 6.8	2290 2289
1140	Meringue	→	2255	Cocoa Mulch	Close ΔE 3.9	2154 2158
1141	Tan	→	2161	Grain	Close ΔE 3.0	2288 2160
1154	Penny	→	2283	Dark Brown	Approximate ΔE 6.8	2290 2289
1172	Ivory	→	2117	Whisper White	Close ΔE 3.2	2149 2118
1200	Sunset Orange	→	2048	Golden Poppy	Very close ΔE 1.8	2049 2175
1220	Apricot	→	2024	Buff Orange	Approximate ΔE 6.2	2023 2159
1233	Pony	→	2283	Dark Brown	Close ΔE 4.7	2291 2290
1300	Tangerine	→	2050	Dark Yellow	Approximate ΔE 6.6	2157 2048
1301	Paprika	→	2052	Orange	Approximate ΔE 5.1	2182 2176
1304	Red Pepper	→	2049	Golden Poppy	Close ΔE 4.5	2048 2175
1305	Fox Fire	→	2050	Dark Yellow	Approximate ΔE 6.1	2049 2175
1306	Devil Red	→	2153	Fluo Pink	Close ΔE 4.2	2152 2053
1310	Hunter Orange	→	2051	Orange	Very close ΔE 1.2	2052 2049
1311	Date	→	2048	Golden Poppy	Close ΔE 2.7	2049 2175
1312	Burnt Orange	→	2132	Red Berry	Approximate ΔE 5.5	2180 2133
1321	Dark Orange	→	2051	Orange	Close ΔE 2.9	2052 2049
1322	Dirty Penny	→	2283	Dark Brown	Close ΔE 4.2	2291 2135
1332	Harvest	→	2181	Dark Rust	Approximate ΔE 6.2	2044 2132
1334	Spice	→	2051	Orange	Approximate ΔE 5.4	2052 2049
1335	Dark Rust	→	2054	Atom Red	Close ΔE 2.6	2180 2055
1342	Rust	→	2127	Fawn	Approximate ΔE 6.5	2029 2175
1344	Coffee Bean	→	2135	Dark Brown	Near identical ΔE 0.5	2291 2283
1346	Cinnamon	→	2131	Light Cocoa	Approximate ΔE 5.4	2290 2289
1351	Starfish	→	2287	Tawny	Very close ΔE 2.2	2006 2125
1352	Salmon	→	2160	Apricot Wash	Close ΔE 3.3	2024 2288
1355	Fox	→	2289	Orange / Brown	Approximate ΔE 7.3	2290 2131
1362	Shrimp	→	2126	Impala	Close ΔE 4.2	2286 2125
1366	Mahogany	→	2291	Brown	Approximate ΔE 8.5	2135 2290
1375	Dark Charcoal	→	2150	Dark Grey	Close ΔE 3.4	2285 2254
1430	Melon	→	2047	Melon	Approximate ΔE 5.6	2288 2161
1514	Brick	→	2132	Red Berry	Approximate ΔE 5.5	2180 2133
1521	Flamingo	→	2176	Honeysuckle	Near identical ΔE 0.2	2053 2182
1526	Apple Butter	→	2133	Burgundy	Close ΔE 2.6	2291 2055
1532	Coral	→	2046	Blossom	Close ΔE 4.4	2035 2174
1543	Rusty Rose	→	2283	Dark Brown	Approximate ΔE 6.4	2291 2135
1565	Espresso	→	2130	Dark Olive Green	Poor match ΔE 10.3	2131 2283
1600	Spanish Tile	→	2047	Melon	Close ΔE 3.6	2007 2013
1701	Red Berry	→	2152	Neon Orange	Approximate ΔE 5.1	2007 2053
1703	Poppy	→	2053	Paprika	Close ΔE 4.1	2176 2152
1704	Candy Apple	→	2044	Foxy Red	Approximate ΔE 5.2	2176 2153
1720	Not Quite Red	→	2044	Foxy Red	Close ΔE 3.6	2181 2176
1725	Terra Cotta	→	2051	Orange	Approximate ΔE 5.0	2052 2152
1753	Strawberries n' Cream	→	2179	Dusty Rose	Close ΔE 2.7	2183 2039
1755	Hyacinth	→	2170	Ivory	Close ΔE 2.8	2163 2294
1760	Twine	→	2173	Peach	Close ΔE 2.6	2286 2125
1761	Tea Rose	→	2172	Crystal Pink	Close ΔE 2.6	2171 2031
1776	Blackberry	→	2150	Dark Grey	Close ΔE 4.0	2285 2306
1800	Wildfire	→	2182	Orange / Red	Close ΔE 3.2	2176 2053
1805	Strawberry	→	2184	Wildfire	Near identical ΔE 0.4	2045 2168
1840	Corsage	→	2035	Emily Pink	Very close ΔE 1.2	2178 2164
1860	Shell	→	2116	Star White	Close ΔE 2.7	2271 2149
1874	Pewter	→	2134	Twilight Mauve	Poor match ΔE 10.0	2296 2129
1876	Chocolate	→	2131	Light Cocoa	Close ΔE 3.2	2130 2283
1900	Geranium	→	2010	Cherry Blossom	Close ΔE 3.9	2039 2183
1902	Poinsettia	→	2182	Orange / Red	Close ΔE 3.7	2181 2044
1903	Lipstick	→	2043	Cerise	Close ΔE 3.8	2044 2168
1904	Cardinal	→	2045	Very Red	Near identical ΔE 0.3	2184 2132
1906	Tulip	→	2042	Dark Pink	Close ΔE 4.1	2010 2041
1911	Foliage Rose	→	2054	Atom Red	Near identical ΔE 0.9	2184 2055
1912	Winterberry	→	2169	Ruby Glint	Close ΔE 4.8	2056 2054
1913	Cherry	→	2182	Orange / Red	Close ΔE 3.4	2181 2176
1921	Blossom	→	2013	Strawberry Ice	Close ΔE 3.8	2037 2038
1940	Chrysanthemum	→	2167	Ruby Glint	Close ΔE 3.1	2041 2010
1950	Tropical Pink	→	2167	Ruby Glint	Approximate ΔE 7.7	2040 2041
1972	Silvery Grey	→	2296	Gull	Close ΔE 2.8	2140 2249
2011	Fire Engine	→	2055	Burgundy	Close ΔE 2.5	2054 2180
2022	Rio Red	→	2055	Burgundy	Near identical ΔE 0.3	2054 2056
2051	Teaberry	→	2165	Cameo Pink	Close ΔE 4.7	2077 2177
2101	Country Red	→	2054	Atom Red	Near identical ΔE 0.3	2055 2184
2113	Cranberry	→	2057	Maroon	Approximate ΔE 5.1	2055 2056
2115	Beet Red	→	2057	Maroon	Close ΔE 3.5	2056 2055
2123	Bordeaux	→	2057	Maroon	Close ΔE 4.4	2056 2055
2152	Heather Pink	→	2009	Begonia Pink	Approximate ΔE 5.2	2038 2011
2153	Dusty Mauve	→	2038	Sea Pink	Very close ΔE 1.4	2165 2011
2155	Pink Tulip	→	2177	Crystal Pink	Very close ΔE 2.3	2178 2171
2160	Iced Pink	→	2170	Ivory	Very close ΔE 1.3	2163 2171
2166	Flesh	→	2076	Rose Pink	Close ΔE 3.0	2163 2170
2170	Chiffon	→	2116	Star White	Close ΔE 2.5	2271 2149
2171	Blush	→	2116	Star White	Approximate ΔE 7.2	2170 2271
2211	Pomegranate	→	2058	Red Licorice	Close ΔE 2.8	2057 2186
2220	Tropicana	→	2009	Begonia Pink	Approximate ΔE 5.3	2034 2011
2222	Burgundy	→	2040	Dark Pink	Approximate ΔE 8.3	2169 2056
2224	Claret	→	2057	Maroon	Close ΔE 3.5	2056 2055
2241	Mauve	→	2037	Medium Pink	Approximate ΔE 5.0	2038 2011
2250	Petal Pink	→	2164	Pink	Close ΔE 3.4	2033 2178
2300	Bright Ruby	→	2167	Ruby Glint	Close ΔE 4.5	2041 2010
2320	Raspberry	→	2039	Azalea	Close ΔE 4.7	2179 2166
2333	Wine	→	2169	Ruby Glint	Approximate ΔE 5.7	2185 2059
2336	Maroon	→	2212	Intense Maroon	Close ΔE 3.6	2186 2058
2363	Carnation	→	2170	Ivory	Close ΔE 3.2	2163 2272

					Match	Alternatives
2500	Boysenberry	→	2040	Dark Pink	Close ΔE 4.7	2211 2041
2504	Plum	→	2059	Medium Purple	Close ΔE 3.1	2060 2185
2506	Cerise	→	2040	Dark Pink	Close ΔE 2.7	2169 2059
2508	Hot Pink	→	2040	Dark Pink	Close ΔE 3.4	2041 2167
2520	Garden Rose	→	2173	Peach	Very close ΔE 2.1	2174 2287
2521	Fuchsia	→	2010	Cherry Blossom	Close ΔE 3.0	2039 2041
2530	Rose	→	2011	Rosebloom	Close ΔE 4.0	2012 2166
2532	Pretty In Pink	→	2166	Floral Pink	Approximate ΔE 6.5	2211 2039
2550	Soft Pink	→	2009	Begonia Pink	Approximate ΔE 8.0	2034 2008
2560	Azalea Pink	→	2034	Carnatio	Close ΔE 2.6	2164 2008
2564	Titanium	→	2213	Purple Sage	Poor match ΔE 12.6	2112 2267
2576	Greyhound	→	2212	Intense Maroon	Poor match ΔE 12.5	2213 2285
2600	Dusty Grape	→	2211	Medium Purple	Approximate ΔE 6.1	2039 2167
2640	Frosted Plum	→	2078	Light Pink	Approximate ΔE 6.2	2203 2202
2650	Impatiens	→	2033	Memphis Belle	Close ΔE 3.8	2008 2164
2655	Aura	→	2163	Light Pink	Close ΔE 3.9	2076 2077
2674	Steel	→	2295	Silver Rose	Close ΔE 4.8	2304 2200
2702	Grape Jelly	→	2085	Purple Accent	Close ΔE 3.3	2083 2086
2704	Purple Passion	→	2083	Purple Accent	Approximate ΔE 7.2	2060 2085
2711	Dark Current	→	2059	Medium Purple	Close ΔE 3.3	2060 2185
2715	Pansy	→	2059	Medium Purple	Approximate ΔE 8.5	2060 2082
2720	Sangria	→	2186	Medium Purple	Approximate ΔE 5.9	2185 2060
2723	Peony	→	2060	Grape Wine	Close ΔE 3.9	2059 2185
2732	Frosted Orchid	→	2082	Laurie Lilac	Approximate ΔE 6.4	2081 2080
2762	Misty Rose	→	2295	Silver Rose	Approximate ΔE 6.2	2304 2129
2764	Violet	→	2211	Medium Purple	Close ΔE 3.4	2166 2037
2776	Black Chrome	→	2150	Dark Grey	Approximate ΔE 6.8	2285 2306
2810	Orchid	→	2204	Medium Pink	Close ΔE 2.7	2081 2203
2830	Wild Iris	→	2078	Light Pink	Approximate ΔE 6.0	2203 2204
2864	Columbine	→	2213	Purple Sage	Poor match ΔE 11.2	2199 2087
2900	Deep Purple	→	2084	Dark Purple	Near identical ΔE 0.3	2083 2086
2905	Iris Blue	→	2082	Laurie Lilac	Near identical ΔE 0.2	2208 2060
2910	Grape	→	2081	Iris	Near identical ΔE 0.6	2080 2204
2920	Purple	→	2080	Mauve	Near identical ΔE 0.4	2087 2081
2944	Scrumptious Plum	→	2212	Intense Maroon	Poor match ΔE 11.0	2285 2085
2953	Concord Fog	→	2085	Purple Accent	Approximate ΔE 8.6	2209 2072
2954	Aubergine	→	2073	Light Navy	Approximate ΔE 8.6	2209 2085
3030	Amethyst	→	2202	Pastel Lilac	Approximate ΔE 5.2	2205 2078
3040	Lavender	→	2076	Rose Pink	Approximate ΔE 7.6	2033 2202
3045	Cachet	→	2033	Memphis Belle	Approximate ΔE 5.2	2008 2076
3062	Cinder	→	2200	Tempest	Close ΔE 4.3	2194 2207
3102	Provence	→	2084	Dark Purple	Close ΔE 3.8	2086 2083
3110	Dark Ink	→	2082	Laurie Lilac	Approximate ΔE 7.0	2084 2083
3114	Purple Twist	→	2085	Purple Accent	Near identical ΔE 0.5	2083 2210
3130	Dawn of Violet	→	2197	Oriental Blue	Close ΔE 2.6	2079 2206
3210	Blueberry	→	2208	Violet	Close ΔE 4.2	2192 2082
3211	Twilight	→	2208	Violet	Approximate ΔE 7.7	2082 2192
3241	Amethyst Frost	→	2078	Light Pink	Close ΔE 3.0	2202 2008
3251	Haze	→	2205	Sweet Lavender	Approximate ΔE 6.7	2207 2148
3265	Slate Gray	→	2071	Lake Blue	Poor match ΔE 13.3	2150 2213
3274	Battleship Gray	→	2267	Smoke Blue	Poor match ΔE 10.6	2112 2213
3323	Delft	→	2084	Dark Purple	Close ΔE 4.2	2083 2086
3331	Cadet Blue	→	2063	Cristy Blue	Approximate ΔE 8.0	2064 2190
3332	Forget Me Not	→	2199	Imperial Blue	Close ΔE 4.2	2192 2067
3333	Fire Blue	→	2088	Royal	Near identical ΔE 0.3	2086 2196
3335	Flag Blue	→	2069	Fire Blue	Near identical ΔE 0.0	2070 2195
3344	Midnight	→	2221	Deep Windsor	Close ΔE 3.7	2222 2220
3350	Lavender Whisper	→	2063	Cristy Blue	Approximate ΔE 8.0	2064 2188
3353	Light Midnight	→	2088	Royal	Approximate ΔE 5.8	2086 2210
3355	Dark Indigo	→	2210	Dark Purple / Navy	Approximate ΔE 6.6	2088 2086
3363	Midnight Blue	→	2201	Blue Ribbon	Approximate ΔE 6.4	2072 2073
3410	Rich Blue	→	2193	Wedgewood	Approximate ΔE 5.6	2066 2192
3444	Concord	→	2071	Lake Blue	Poor match ΔE 11.0	2199 2213
3450	Lavendar	→	2064	Light Purple	Close ΔE 3.1	2146 2205
3510	Electric Blue	→	2084	Dark Purple	Poor match ΔE 14.4	2068 2069
3522	Blue	→	2068	Blue	Near identical ΔE 0.4	2069 2196
3536	Heraldic	→	2083	Purple Accent	Approximate ΔE 7.4	2060 2085
3541	Venetian Blue	→	2082	Laurie Lilac	Approximate ΔE 8.7	2208 2084
3543	Royal Blue	→	2084	Dark Purple	Approximate ΔE 9.6	2086 2068
3544	Sapphire	→	2069	Fire Blue	Near identical ΔE 0.0	2070 2195
3554	Navy	→	2306	Navy	Near identical ΔE 0.3	2201 2221
3572	Summer Grey	→	2299	Pearl Blue	Approximate ΔE 6.1	2189 2266
3574	Darkest Blue	→	2150	Dark Grey	Approximate ΔE 7.4	2306 2201
3600	Nordic Blue	→	2192	Soldier Blue	Approximate ΔE 6.0	2193 2208
3611	Blue Ribbon	→	2208	Violet	Poor match ΔE 11.6	2080 2193
3612	Starlight Blue	→	2068	Blue	Near identical ΔE 0.4	2069 2196
3622	Imperial Blue	→	2069	Fire Blue	Approximate ΔE 6.7	2068 2199
3630	Sweet Boy	→	2065	Caribbean Blue	Very close ΔE 1.9	2062 2230
3631	Tufts Blue	→	2066	Dolphin Blue	Close ΔE 4.6	2232 2193
3640	Lake Blue	→	2189	Baby Blue	Close ΔE 3.4	2063 2062
3641	Wedgewood	→	2064	Light Purple	Very close ΔE 1.3	2063 2146
3644	Royal Navy	→	2072	Blue Ribbon	Approximate ΔE 6.4	2201 2070
3645	Prussian Blue	→	2072	Blue Ribbon	Approximate ΔE 6.9	2201 2209
3650	Ice Cap	→	2271	Cloud Dancer	Approximate ΔE 7.1	2116 2137
3652	Baby Blue	→	2189	Baby Blue	Near identical ΔE 0.4	2062 2230
3654	Blue Shadow	→	2071	Lake Blue	Close ΔE 4.9	2199 2075
3666	Space	→	2306	Navy	Approximate ΔE 7.6	2150 2201
3713	Cornflower Blue	→	2232	Medium Blue	Close ΔE 2.7	2066 2095
3730	Something Blue	→	2189	Baby Blue	Approximate ΔE 5.5	2062 2063
3732	Slate Blue	→	2306	Navy	Close ΔE 3.9	2221 2075
3743	Harbor	→	2199	Imperial Blue	Approximate ΔE 8.4	2071 2095
3750	Winter Frost	→	2061	Crystal Blue	Close ΔE 4.3	2228 2188
3761	Winter Sky	→	2271	Cloud Dancer	Approximate ΔE 8.3	2188 2137
3770	Oyster	→	2137	Blue Blush	Near identical ΔE 0.6	2136 2298
3810	Laguna	→	2190	Della Robbia Blue	Close ΔE 3.1	2094 2230
3815	Reef Blue	→	2231	Mid Windsor	Approximate ΔE 7.7	2230 2232
3820	Celestial	→	2189	Baby Blue	Close ΔE 4.2	2063 2062
3830	Surfs' Up	→	2094	Cobalt	Approximate ΔE 5.1	2230 2231
3840	Oxford	→	2188	Cadet Blue	Approximate ΔE 7.6	2224 2187
3842	Copenhagen	→	2200	Tempest	Approximate ΔE 5.5	2267 2112
3852	Manatee	→	2267	Smoke Blue	Approximate ΔE 5.7	2112 2200
3900	Cerulean	→	2232	Medium Blue	Close ΔE 4.7	2066 2095
3901	Tropical Blue	→	2231	Mid Windsor	Close ΔE 3.5	2230 2094
3902	Colonial Blue	→	2067	Solar Blue	Close ΔE 4.3	2199 2071
3910	Crystal Blue	→	2189	Baby Blue	Approximate ΔE 5.9	2062 2061
3951	Azure Blue	→	2063	Cristy Blue	Close ΔE 4.9	2189 2061
3953	Ocean Blue	→	2200	Tempest	Close ΔE 4.6	2207 2148
3962	River Mist	→	2188	Cadet Blue	Approximate ΔE 5.7	2061 2228
3963	Hint of Blue	→	2188	Cadet Blue	Close ΔE 4.1	2061 2228
3971	Silver	→	2137	Blue Blush	Close ΔE 3.9	2138 2136
4010	Caribbean Blue	→	2092	Periwinkle	Close ΔE 3.4	2091 2239
4032	Teal	→	2094	Cobalt	Close ΔE 4.2	2230 2093
4033	Tartan Blue	→	2071	Lake Blue	Approximate ΔE 6.1	2075 2221
4071	Glacier Green	→	2271	Cloud Dancer	Approximate ΔE 6.6	2116 2138
4073	Metal	→	2292	Pale Grey	Close ΔE 3.2	2140 2145
4074	Dimgray	→	2112	Stormy Sea	Poor match ΔE 12.1	2267 2216
4101	Wave Blue	→	2093	Dark Blue / Green	Approximate ΔE 6.4	2096 2092
4103	California Blue	→	2231	Mid Windsor	Close ΔE 3.6	2093 2198
4111	Turquoise	→	2091	Basic Turquoise	Approximate ΔE 8.5	2092 2090
4113	Alexis Blue	→	2091	Basic Turquoise	Close ΔE 4.8	2229 2096
4116	Dark Teal	→	2216	Mallard Blue	Close ΔE 2.5	2097 2219
4133	Deep Ocean	→	2216	Mallard Blue	Close ΔE 4.8	2219 2097
4152	Serenity	→	2096	Light Clear Blue	Close ΔE 4.1	2265 2239
4174	Charcoal	→	2213	Purple Sage	Poor match ΔE 13.5	2150 2285
4220	Island Green	→	2214	M. D. Green	Approximate ΔE 7.5	2092 2239
4230	Aqua	→	2227	Mint Julep	Approximate ΔE 7.2	2089 2090
4240	Spearmint	→	2226	Bleached Aqua	Approximate ΔE 6.9	2089 2223
4250	Snomoon	→	2223	Light Blue	Approximate ΔE 5.1	2089 2224
4410	Aqua Velva	→	2093	Dark Blue / Green	Close ΔE 2.7	2233 2231
4421	Light Mallard	→	2092	Periwinkle	Approximate ΔE 5.7	2096 2239
4423	Marine Aqua	→	2093	Dark Blue / Green	Close ΔE 4.9	2215 2217
4425	Dark Aqua	→	2102	Spearmint	Approximate ΔE 6.0	2240 2243
4430	Island Waters	→	2237	Pale Aqua	Approximate ΔE 5.8	2227 2089
4442	Deep Sea Blue	→	2104	Peppermint	Very close ΔE 1.9	2218 2243
4452	Truly Teal	→	2102	Spearmint	Approximate ΔE 5.8	2214 2239
4515	Spruce	→	2219	Garden Green	Close ΔE 4.6	2216 2097
4531	Caribbean	→	2217	J. Turquoise	Approximate ΔE 7.1	2104 2218
4610	Deep Aqua	→	2214	M. D. Green	Close ΔE 4.2	2102 2239
4620	Jade	→	2102	Spearmint	Approximate ΔE 7.2	2214 2239
4625	Seagreen	→	2244	Green Forest	Close ΔE 2.7	2219 2252
4643	Amazon	→	2267	Smoke Blue	Approximate ΔE 7.8	2215 2097
4644	Mallard	→	2112	Stormy Sea	Approximate ΔE 7.9	2267 2301
4740	Aquamarine	→	2237	Pale Aqua	Close ΔE 4.5	2227 2238
4752	Vintage Blue	→	2265	Pale Blue	Very close ΔE 2.1	2096 2266
4952	Mystic Blue	→	2227	Mint Julep	Close ΔE 4.2	2090 2238
5005	Rain Forest	→	2244	Green Forest	Near identical ΔE 0.3	2109 2219
5010	Scotty Green	→	2104	Peppermint	Near identical ΔE 0.5	2218 2243
5050	Luster	→	2260	Misty Jade	Approximate ΔE 5.9	2225 2223
5100	Green	→	2243	Peacock Green	Close ΔE 4.1	2104 2102
5101	Dark Jade	→	2214	M. D. Green	Approximate ΔE 5.0	2102 2104
5115	Baccarat Green	→	2102	Spearmint	Approximate ΔE 5.3	2237 2214
5210	Trellis Green	→	2102	Spearmint	Approximate ΔE 5.8	2237 2240
5220	Silver Sage	→	2238	Ocean Wave	Very close ΔE 1.5	2235 2237
5230	Bottle Green	→	2237	Pale Aqua	Approximate ΔE 5.6	2236 2235
5233	Field Green	→	2109	Green Forest	Close ΔE 3.0	2244 2106
5324	Bright Green	→	2251	Evergreen	Near identical ΔE 0.3	2107 2268
5326	Evergreen	→	2103	Irish Green	Close ΔE 3.1	2105 2108
5335	Swamp	→	2107	Evergreen	Very close ΔE 2.2	2268 2269
5374	Forest Green	→	2251	Evergreen	Approximate ΔE 7.1	2114 2107
5411	Shamrock	→	2242	Kelly	Close ΔE 4.9	2103 2108
5415	Irish Green	→	2242	Kelly	Near identical ΔE 0.4	2110 2103
5422	Swiss Ivy	→	2102	Spearmint	Approximate ΔE 7.1	2243 2262
5440	Mint	→	2236	Green Ash	Approximate ΔE 6.9	2240 2101
5450	Basic Seafoam	→	2236	Green Ash	Close ΔE 2.6	2235 2237
5500	Limedrop	→	2241	Green	Approximate ΔE 5.3	2151 2015
5510	Emerald	→	2247	Meadow	Approximate ΔE 7.8	2246 2241
5513	Ming	→	2247	Meadow	Approximate ΔE 7.8	2241 2246
5515	Kelly	→	2243	Peacock Green	Approximate ΔE 9.3	2102 2247
5531	Pear	→	2101	Spruce	Close ΔE 4.3	2151 2015
5542	Garden Moss	→	2112	Stormy Sea	Approximate ΔE 9.2	2108 2218
5552	Palm Leaf	→	2261	Aqua Gray	Close ΔE 3.5	2263 2264
5555	Deep Green	→	2251	Evergreen	Close ΔE 3.8	2252 2114
5565	Enchanting Forest	→	2254	Dark Army Green	Close ΔE 4.5	2114 2107
5610	Bright Mint	→	2101	Spruce	Close ΔE 4.3	2245 2151
5613	Light Kelly	→	2241	Green	Poor match ΔE 11.1	2102 2240
5633	Lime	→	2247	Meadow	Close ΔE 4.3	2246 2241
5643	Green Dust	→	2251	Evergreen	Approximate ΔE 7.1	2252 2105
5650	Spring Frost	→	2234	Ambrosia	Approximate ΔE 6.0	2099 2245
5664	Willow	→	2301	Jadeite	Approximate ΔE 7.8	2112 2262
5743	Asparagus	→	2105	Green Bay	Poor match ΔE 11.0	2252 2103
5822	Kiwi	→	2101	Spruce	Approximate ΔE 6.7	2240 2245
5830	Chartreuse	→	2245	Dark Olive Green	Approximate ΔE 5.1	2234 2099
5832	Celery	→	2015	Green Dust	Approximate ΔE 6.7	2101 2241
5833	Limabean	→	2015	Green Dust	Close ΔE 4.1	2151 2241
5866	Herb Green	→	2130	Dark Olive Green	Approximate ΔE 6.5	2131 2113
5912	Erin Green	→	2015	Green Dust	Approximate ΔE 5.3	2100 2151
5933	Grasshopper	→	2256	Silver Fern	Approximate ΔE 9.2	2248 2246
5934	Moss Green	→	2028	Sun Shadow	Close ΔE 4.7	2027 2246
5940	Sour Apple neon	→	2100	Dark Green	Approximate ΔE 8.0	2155 2017
5944	Backyard Green	→	2250	Pale Green	Close ΔE 4.5	2110 2111
6010	Mountain Dew neon	→	2155	Lemon	Close ΔE 4.1	2018 2017
6011	Tamarack	→	2101	Spruce	Close ΔE 3.7	2100 2245
6031	Limelight	→	2017	Light Yellow	Close ΔE 3.7	2155 2016
6043	Yellowgreen	→	2250	Pale Green	Approximate ΔE 8.5	2111 2246
6051	Jalapeno	→	2245	Dark Olive Green	Approximate ΔE 6.7	2016 2101
6071	Old Lace	→	2248	Sage Green	Approximate ΔE 5.5	2122 2258
6133	Caper	→	2028	Sun Shadow	Close ΔE 4.3	2027 2246
6151	Lemongrass	→	2154	Tender Yellow	Very close ΔE 2.1	2158 2245
6156	Olive	→	2111	Palmetto	Approximate ΔE 9.0	2131 2250

Match quality is the CIEDE2000 color difference (ΔE00) computed from screen RGB values. Sheen (rayon vs polyester), thread weight and dye lot also affect how a substitute looks — confirm with a physical thread card before ordering.

About Isacord 40

Isacord 40 is Amann Group's trilobal polyester embroidery thread and one of the most widely stocked threads in commercial embroidery. It is colorfast, bleach-safe and runs cleanly at high speed, which is why so many digitized designs are keyed to Isacord numbers.

About Marathon Polyester

Marathon Polyester is a 40 wt trilobal polyester machine embroidery thread popular with home and small-shop embroiderers for its price and wide shade range.

More Isacord 40 conversion charts

Isacord→Brother Embroidery Isacord→Coats Sylko Isacord→Fil-Tec Glide Isacord→Floriani Polyester Isacord→Gunold POLY 40 Isacord→Hemingworth PolySelect Isacord→Janome Polyester Isacord→Madeira Classic Rayon 40 Isacord→Madeira Polyneon 40 Isacord→Marathon Rayon Isacord→Mettler Poly Sheen Isacord→Robison-Anton Super Brite Rayon Isacord→Robison-Anton Super Strength Polyester Isacord→Sulky PolyLite / Poly Deco Isacord→Sulky Rayon 40

Frequently asked questions

Is there a Isacord 40 to Marathon Polyester conversion chart?

Yes — this page lists the closest Marathon Polyester color for all 398 Isacord 40 colors, computed with the CIEDE2000 color-difference formula from each brand's published color values.

How many Isacord 40 colors have a close match in Marathon Polyester?

56 of 398 colors (14%) rate Very close or better, and 58% rate Close or better. The remaining colors have only approximate substitutes.

Can I convert Marathon Polyester back to Isacord 40?

Yes, use the reverse chart: Marathon Polyester to Isacord 40. Because each brand's palette is different, the reverse match is not always the same color.