Isacord 40 to Marathon Rayon thread conversion chart

The closest Marathon Rayon 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.

20%very close or better

60%close or better

398Isacord 40 colors

317Marathon Rayon colors

Near identical 28
Very close 51
Close 158
Approximate 153
Poor match 8

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

398 colors

					Match	Alternatives
0003	Ghost White	→	1181	Lily White	Very close ΔE 2.0	1179 1312
0010	Silky White	→	1181	Lily White	Approximate ΔE 5.4	1179 1001
0015	White	→	1181	Lily White	Approximate ΔE 6.7	1179 1001
0017	Paper White	→	1181	Lily White	Approximate ΔE 6.7	1179 1001
0020	Black	→	1180	Black	Poor match ΔE 15.0	1310 1070
0101	Eggshell	→	1001	Natural White	Close ΔE 3.7	1181 1179
0105	Ash Mist	→	1314	Pearl Blue	Close ΔE 2.9	1167 1318
0108	Cobblestone	→	1319	Banner Gray	Close ΔE 2.9	1135 1303
0111	Whale	→	1320	Platinum	Approximate ΔE 6.5	1162 1319
0112	Leadville	→	1320	Platinum	Approximate ΔE 6.5	1162 1319
0124	Fieldstone	→	1339	Pale Gray Green	Approximate ΔE 5.2	1300 1163
0128	Navajo	→	1321	Metal	Approximate ΔE 7.7	1178 1296
0131	Smoke	→	1214	Dapple Gray	Close ΔE 4.0	1174 1215
0132	Dark Pewter	→	1178	Dark Grey	Close ΔE 4.9	1216 1321
0134	Smoky	→	1180	Black	Very close ΔE 2.0	1178 1216
0138	Heavy Storm	→	1216	Midnight	Close ΔE 4.5	1321 1178
0142	Sterling	→	1318	Highrise	Close ΔE 3.2	1317 1316
0145	Skylight	→	1311	Illusion Blue	Near identical ΔE 0.8	1055 1210
0150	Mystik Grey	→	1316	Skylight	Close ΔE 3.0	1318 1317
0151	Cloud	→	1134	String	Very close ΔE 2.2	1130 1133
0152	Dolphin	→	1162	Cinder	Approximate ΔE 5.9	1320 1173
0182	Saturn Grey	→	1311	Illusion Blue	Very close ΔE 1.6	1055 1164
0184	Pearl	→	1128	Crystal Gray	Very close ΔE 1.1	1184 1127
0220	Sunbeam	→	1004	Medium Yellow	Approximate ΔE 5.4	1003 1006
0221	Light Brass	→	1004	Medium Yellow	Close ΔE 4.6	1003 1006
0230	Easter Dress	→	1004	Medium Yellow	Very close ΔE 1.9	1003 1006
0232	Seaweed	→	1183	Wheat	Very close ΔE 1.5	1017 1006
0250	Lemon Frost	→	1002	Eggshell	Approximate ΔE 6.8	1010 1119
0270	Buttercream	→	1002	Eggshell	Close ΔE 3.9	1001 1348
0310	Yellow	→	1004	Medium Yellow	Approximate ΔE 5.4	1003 1006
0311	Canary	→	1005	Daffodil	Very close ΔE 1.7	1007 1008
0345	Moss	→	1221	Tamarack	Close ΔE 4.6	1016 1018
0352	Marsh	→	1003	Medium Yellow	Close ΔE 3.1	1006 1004
0442	Tarnished Gold	→	1122	Dark Green	Close ΔE 3.5	1017 1007
0453	Army Drab	→	1016	Pale Green / Yellow	Approximate ΔE 5.5	1301 1338
0454	Olive Drab	→	1173	Vertiver Green	Poor match ΔE 10.0	1296 1297
0463	Cypress	→	1330	Seagrass	Approximate ΔE 8.4	1173 1296
0465	Umber	→	1172	Sage	Approximate ΔE 9.5	1173 1284
0501	Sun	→	1005	Daffodil	Very close ΔE 1.7	1007 1008
0506	Yellow Bird	→	1004	Medium Yellow	Close ΔE 3.8	1007 1005
0520	Daffodil	→	1003	Medium Yellow	Close ΔE 3.4	1004 1006
0532	Champagne	→	1010	Tusk	Close ΔE 3.4	1132 1183
0542	Ochre	→	1018	Black Eyed Susie	Close ΔE 3.2	1122 1187
0546	Ginger	→	1018	Black Eyed Susie	Close ΔE 3.6	1187 1016
0552	Flax	→	1132	Sea Mist	Approximate ΔE 6.5	1338 1300
0555	Light Sage	→	1173	Vertiver Green	Very close ΔE 1.7	1162 1320
0576	Very Dark Brown	→	1310	Brown Mule	Close ΔE 4.0	1180 1308
0600	Citrus	→	1005	Daffodil	Approximate ΔE 5.9	1007 1008
0605	Daisy	→	1005	Daffodil	Very close ΔE 2.1	1007 1008
0608	Sunshine	→	1009	Canary	Very close ΔE 1.3	1008 1007
0630	Buttercup	→	1003	Medium Yellow	Close ΔE 2.8	1006 1004
0640	Parchment	→	1002	Eggshell	Close ΔE 3.3	1182 1299
0643	Barewood	→	1016	Pale Green / Yellow	Approximate ΔE 6.8	1338 1301
0651	Cornsilk	→	1132	Sea Mist	Near identical ΔE 0.0	1300 1299
0660	Vanilla	→	1002	Eggshell	Close ΔE 4.8	1010 1001
0670	Cream	→	1001	Natural White	Close ΔE 2.7	1181 1179
0672	Baquette	→	1127	Tapioca	Very close ΔE 1.2	1184 1128
0674	Armour	→	1173	Vertiver Green	Approximate ΔE 7.0	1321 1296
0700	Bright Yellow	→	1012	Yellow Poppy	Close ΔE 4.8	1189 1190
0702	Papaya	→	1007	Canary Yellow	Close ΔE 2.5	1008 1005
0703	Orange Peel	→	1188	Buttercup	Close ΔE 2.5	1011 1189
0704	Gold	→	1004	Medium Yellow	Close ΔE 3.0	1003 1006
0713	Lemon	→	1007	Canary Yellow	Close ΔE 4.0	1005 1004
0721	Antique	→	1224	Copper	Approximate ΔE 5.9	1015 1141
0722	Khaki	→	1140	Tawny Birch	Approximate ΔE 6.6	1162 1143
0731	Applesauce	→	1141	Light Bronze	Approximate ΔE 7.5	1302 1187
0741	Wheat	→	1017	Popcorn	Approximate ΔE 7.5	1183 1189
0747	Golden Brown	→	1224	Copper	Poor match ΔE 11.7	1173 1221
0761	Oat	→	1002	Eggshell	Very close ΔE 1.7	1299 1182
0763	Dark Rattan	→	1173	Vertiver Green	Close ΔE 3.6	1162 1321
0776	Sage	→	1173	Vertiver Green	Approximate ΔE 5.5	1162 1143
0781	Candlewick	→	1127	Tapioca	Close ΔE 3.7	1182 1299
0800	Goldenrod	→	1005	Daffodil	Close ΔE 3.3	1007 1008
0811	Candlelight	→	1188	Buttercup	Very close ΔE 1.8	1009 1011
0821	Honey	→	1009	Canary	Close ΔE 3.4	1011 1188
0822	Palomino	→	1017	Popcorn	Close ΔE 4.2	1183 1011
0824	Liberty Gold	→	1043	Golden Poppy	Close ΔE 4.3	1044 1333
0832	Sisal	→	1302	Gold	Approximate ΔE 6.6	1141 1338
0842	Toffee	→	1302	Gold	Close ΔE 4.2	1131 1233
0851	Old Gold	→	1131	Opaline	Approximate ΔE 6.2	1132 1183
0853	Pecan	→	1141	Light Bronze	Approximate ΔE 6.1	1142 1140
0861	Tantone	→	1132	Sea Mist	Near identical ΔE 0.0	1300 1299
0862	Wild Rice	→	1337	Simply Taupe	Close ΔE 4.2	1186 1134
0870	Muslin	→	1001	Natural White	Close ΔE 3.0	1002 1348
0873	Stone	→	1338	Oxford Tan	Close ΔE 4.5	1300 1339
0874	Gravel	→	1304	Sphinx	Close ΔE 3.5	1139 1186
0904	Spanish Gold	→	1015	Almond	Close ΔE 4.7	1190 1224
0922	Ashley Gold	→	1224	Copper	Near identical ΔE 0.1	1015 1141
0931	Honey Gold	→	1224	Copper	Approximate ΔE 6.3	1015 1043
0932	Nutmeg	→	1187	Black Eyed Susie	Close ΔE 4.6	1018 1016
0933	Redwood	→	1144	Light Cocoa	Approximate ΔE 5.8	1224 1142
0934	Fawn	→	1338	Oxford Tan	Close ΔE 4.6	1185 1130
0940	Autumn Leaf	→	1187	Black Eyed Susie	Approximate ΔE 6.2	1012 1219
0941	Golden Grain	→	1141	Light Bronze	Approximate ΔE 5.6	1142 1224
0945	Pine Park	→	1144	Light Cocoa	Approximate ΔE 9.4	1142 1173
0970	Linen	→	1001	Natural White	Close ΔE 4.0	1002 1348
1030	Passion Fruit	→	1138	Bamboo	Close ΔE 4.1	1233 1302
1032	Bronze	→	1224	Copper	Close ΔE 3.0	1015 1141
1055	Bark	→	1144	Light Cocoa	Approximate ΔE 5.8	1224 1142
1060	Shrimp Pink	→	1010	Tusk	Close ΔE 5.0	1132 1182
1061	Taupe	→	1338	Oxford Tan	Close ΔE 4.8	1337 1130
1102	Pumpkin	→	1190	Honeydew	Close ΔE 3.9	1189 1012
1106	Orange	→	1044	Pumpkin	Close ΔE 3.1	1333 1043
1114	Clay	→	1042	Orange	Close ΔE 2.7	1333 1044
1115	Copper	→	1144	Light Cocoa	Approximate ΔE 6.9	1307 1224
1120	Sunset	→	1189	Scholastic	Close ΔE 3.1	1012 1219
1123	Caramel Cream	→	1338	Oxford Tan	Approximate ΔE 8.1	1016 1302
1133	Peru	→	1141	Light Bronze	Approximate ΔE 6.9	1302 1138
1134	Light Cocoa	→	1144	Light Cocoa	Near identical ΔE 0.3	1307 1161
1140	Meringue	→	1010	Tusk	Approximate ΔE 5.6	1339 1132
1141	Tan	→	1302	Gold	Near identical ΔE 0.6	1013 1138
1154	Penny	→	1144	Light Cocoa	Near identical ΔE 0.3	1307 1161
1172	Ivory	→	1182	Ivory	Very close ΔE 2.0	1348 1299
1200	Sunset Orange	→	1042	Orange	Approximate ΔE 5.2	1333 1044
1220	Apricot	→	1189	Scholastic	Close ΔE 4.6	1233 1012
1233	Pony	→	1144	Light Cocoa	Close ΔE 4.7	1307 1161
1300	Tangerine	→	1042	Orange	Very close ΔE 2.0	1190 1333
1301	Paprika	→	1194	Honeysuckle	Approximate ΔE 5.7	1157 1046
1304	Red Pepper	→	1333	Pumpkin	Very close ΔE 1.9	1044 1043
1305	Fox Fire	→	1333	Pumpkin	Close ΔE 3.9	1044 1042
1306	Devil Red	→	1047	Scarlet	Approximate ΔE 7.9	1053 1194
1310	Hunter Orange	→	1045	Dark Tex Orange	Close ΔE 4.6	1046 1043
1311	Date	→	1042	Orange	Approximate ΔE 5.8	1191 1044
1312	Burnt Orange	→	1157	Dark Rust	Approximate ΔE 8.2	1159 1050
1321	Dark Orange	→	1046	Sunkist	Approximate ΔE 7.2	1045 1043
1322	Dirty Penny	→	1307	Dark Brown	Close ΔE 4.2	1144 1161
1332	Harvest	→	1334	Spanish Red	Approximate ΔE 5.8	1157 1049
1334	Spice	→	1046	Sunkist	Approximate ΔE 8.6	1045 1043
1335	Dark Rust	→	1243	Wildfire	Near identical ΔE 0.4	1054 1159
1342	Rust	→	1142	Fawn	Approximate ΔE 6.5	1141 1015
1344	Coffee Bean	→	1161	Dark Brown	Near identical ΔE 0.5	1160 1308
1346	Cinnamon	→	1144	Light Cocoa	Close ΔE 3.2	1307 1161
1351	Starfish	→	1013	Grain	Close ΔE 4.3	1131 1302
1352	Salmon	→	1233	Buff Orange	Close ΔE 3.9	1138 1013
1355	Fox	→	1144	Light Cocoa	Approximate ΔE 5.8	1224 1142
1362	Shrimp	→	1131	Opaline	Approximate ΔE 5.1	1132 1010
1366	Mahogany	→	1161	Dark Brown	Approximate ΔE 9.0	1307 1144
1375	Dark Charcoal	→	1180	Black	Approximate ΔE 7.0	1178 1310
1430	Melon	→	1041	Cadmium Orange	Very close ΔE 2.1	1191 1138
1514	Brick	→	1157	Dark Rust	Approximate ΔE 8.2	1159 1050
1521	Flamingo	→	1194	Honeysuckle	Near identical ΔE 0.2	1047 1049
1526	Apple Butter	→	1159	Dark Orange / Red	Approximate ΔE 6.0	1158 1160
1532	Coral	→	1040	Blossom	Close ΔE 4.4	1137 1031
1543	Rusty Rose	→	1307	Dark Brown	Approximate ΔE 6.4	1159 1161
1565	Espresso	→	1178	Dark Grey	Poor match ΔE 10.4	1307 1173
1600	Spanish Tile	→	1191	Cadmium Orange	Approximate ΔE 5.8	1041 1051
1701	Red Berry	→	1045	Dark Tex Orange	Approximate ΔE 5.8	1046 1191
1703	Poppy	→	1194	Honeysuckle	Approximate ΔE 5.3	1047 1046
1704	Candy Apple	→	1048	Rosewood	Near identical ΔE 0.4	1049 1047
1720	Not Quite Red	→	1049	Tuxedo Red	Very close ΔE 1.6	1334 1048
1725	Terra Cotta	→	1046	Sunkist	Approximate ΔE 6.2	1045 1043
1753	Strawberries n' Cream	→	1034	Azalea	Approximate ΔE 7.2	1053 1035
1755	Hyacinth	→	1029	Oyster	Very close ΔE 2.2	1212 1019
1760	Twine	→	1326	Grape	Close ΔE 3.7	1039 1131
1761	Tea Rose	→	1030	Rosewater	Very close ΔE 1.7	1037 1038
1776	Blackberry	→	1180	Black	Close ΔE 3.7	1310 1178
1800	Wildfire	→	1194	Honeysuckle	Close ΔE 4.7	1049 1047
1805	Strawberry	→	1054	Atom Red	Approximate ΔE 5.2	1243 1052
1840	Corsage	→	1033	Emily Pink	Very close ΔE 1.5	1234 1031
1860	Shell	→	1181	Lily White	Approximate ΔE 5.0	1179 1348
1874	Pewter	→	1173	Vertiver Green	Approximate ΔE 6.8	1162 1143
1876	Chocolate	→	1144	Light Cocoa	Approximate ΔE 5.6	1307 1161
1900	Geranium	→	1025	Cherry Blossom	Very close ΔE 1.6	1329 1328
1902	Poinsettia	→	1157	Dark Rust	Approximate ΔE 5.4	1050 1049
1903	Lipstick	→	1335	Cerise	Near identical ΔE 0.3	1052 1048
1904	Cardinal	→	1050	Foxy Red	Approximate ΔE 5.6	1243 1054
1906	Tulip	→	1026	Dark Pink	Close ΔE 4.4	1232 1025
1911	Foliage Rose	→	1054	Atom Red	Near identical ΔE 0.9	1243 1155
1912	Winterberry	→	1155	Burgundy	Very close ΔE 1.9	1026 1054
1913	Cherry	→	1157	Dark Rust	Approximate ΔE 6.4	1194 1049
1921	Blossom	→	1035	Medium Pink	Close ΔE 3.9	1332 1229
1940	Chrysanthemum	→	1230	Fuschia	Close ΔE 4.2	1329 1024
1950	Tropical Pink	→	1230	Fuschia	Approximate ΔE 6.2	1329 1232
1972	Silvery Grey	→	1320	Platinum	Close ΔE 4.8	1319 1162
2011	Fire Engine	→	1243	Wildfire	Very close ΔE 2.0	1054 1159
2022	Rio Red	→	1159	Dark Orange / Red	Close ΔE 3.4	1158 1243
2051	Teaberry	→	1136	Burnished Lilac	Close ΔE 4.2	1145 1031
2101	Country Red	→	1054	Atom Red	Near identical ΔE 0.3	1243 1155
2113	Cranberry	→	1156	Red Jubilee	Close ΔE 3.2	1158 1244
2115	Beet Red	→	1156	Red Jubilee	Very close ΔE 2.1	1244 1158
2123	Bordeaux	→	1244	Maroon	Close ΔE 4.4	1156 1155
2152	Heather Pink	→	1192	Dusty Rose	Very close ΔE 2.1	1234 1023
2153	Dusty Mauve	→	1229	Cashmere Rose	Close ΔE 4.3	1332 1234
2155	Pink Tulip	→	1032	Orchid Pink	Close ΔE 3.5	1031 1038
2160	Iced Pink	→	1019	Light Pink	Very close ΔE 1.9	1030 1037
2166	Flesh	→	1073	Rose Pink	Close ΔE 3.0	1166 1019
2170	Chiffon	→	1181	Lily White	Close ΔE 4.5	1179 1348
2171	Blush	→	1029	Oyster	Close ΔE 4.5	1212 1019
2211	Pomegranate	→	1196	Brushed Burgundy	Very close ΔE 2.1	1331 1246
2220	Tropicana	→	1227	Petal Pink	Close ΔE 3.8	1193 1022
2222	Burgundy	→	1331	Wine	Approximate ΔE 9.6	1088 1148
2224	Claret	→	1156	Red Jubilee	Very close ΔE 2.1	1244 1158
2241	Mauve	→	1229	Cashmere Rose	Very close ΔE 1.4	1035 1332
2250	Petal Pink	→	1020	Pink Bazaar	Close ΔE 3.0	1021 1032
2300	Bright Ruby	→	1024	Begonia	Close ΔE 4.2	1230 1329
2320	Raspberry	→	1024	Begonia	Approximate ΔE 6.4	1035 1034
2333	Wine	→	1331	Wine	Approximate ΔE 6.1	1153 1154
2336	Maroon	→	1241	Dark Maroon	Near identical ΔE 0.8	1242 1089
2363	Carnation	→	1029	Oyster	Very close ΔE 1.8	1030 1019

					Match	Alternatives
2500	Boysenberry	→	1088	Medium Purple	Approximate ΔE 6.3	1148 1329
2504	Plum	→	1336	New Berry	Near identical ΔE 0.2	1154 1153
2506	Cerise	→	1153	New Berry	Approximate ΔE 6.7	1232 1336
2508	Hot Pink	→	1329	Ruby Glint	Approximate ΔE 7.6	1232 1230
2520	Garden Rose	→	1039	Bisque	Close ΔE 2.6	1326 1040
2521	Fuchsia	→	1025	Cherry Blossom	Close ΔE 3.3	1329 1024
2530	Rose	→	1028	Aurora Pink	Close ΔE 3.7	1027 1227
2532	Pretty In Pink	→	1027	Floral Pink	Close ΔE 3.7	1024 1239
2550	Soft Pink	→	1193	Pale Pink	Close ΔE 3.6	1227 1076
2560	Azalea Pink	→	1022	Carnatio	Close ΔE 2.6	1021 1023
2564	Titanium	→	1321	Metal	Approximate ΔE 5.6	1216 1178
2576	Greyhound	→	1324	Light Midnight	Approximate ΔE 7.4	1180 1241
2600	Dusty Grape	→	1149	Rose Dust	Approximate ΔE 5.6	1088 1148
2640	Frosted Plum	→	1076	Mid Lilac	Approximate ΔE 5.9	1075 1261
2650	Impatiens	→	1021	Memphis Belle	Close ΔE 3.8	1020 1193
2655	Aura	→	1020	Pink Bazaar	Close ΔE 2.9	1166 1019
2674	Steel	→	1322	Silver Rose	Close ΔE 4.8	1177 1174
2702	Grape Jelly	→	1090	Blackberry	Close ΔE 4.2	1203 1084
2704	Purple Passion	→	1080	Royal Purple	Close ΔE 4.7	1089 1090
2711	Dark Current	→	1336	New Berry	Very close ΔE 2.0	1154 1153
2715	Pansy	→	1336	New Berry	Approximate ΔE 6.1	1154 1153
2720	Sangria	→	1196	Brushed Burgundy	Approximate ΔE 6.8	1246 1331
2723	Peony	→	1336	New Berry	Approximate ΔE 5.1	1154 1153
2732	Frosted Orchid	→	1081	Amethyst	Approximate ΔE 7.6	1082 1262
2762	Misty Rose	→	1146	Mauve Shadows	Close ΔE 4.4	1322 1147
2764	Violet	→	1149	Rose Dust	Near identical ΔE 0.6	1088 1148
2776	Black Chrome	→	1180	Black	Close ΔE 2.6	1178 1216
2810	Orchid	→	1077	Purple	Approximate ΔE 6.8	1081 1239
2830	Wild Iris	→	1239	Medium Pink	Approximate ΔE 5.1	1077 1075
2864	Columbine	→	1324	Light Midnight	Approximate ΔE 7.8	1216 1178
2900	Deep Purple	→	1080	Royal Purple	Approximate ΔE 5.3	1086 1084
2905	Iris Blue	→	1082	Amethyst	Close ΔE 4.2	1263 1081
2910	Grape	→	1081	Amethyst	Close ΔE 4.8	1077 1078
2920	Purple	→	1081	Amethyst	Approximate ΔE 6.0	1262 1249
2944	Scrumptious Plum	→	1242	Plum	Approximate ΔE 7.8	1310 1241
2953	Concord Fog	→	1203	Blue Ink	Approximate ΔE 6.6	1324 1090
2954	Aubergine	→	1203	Blue Ink	Approximate ΔE 9.0	1090 1324
3030	Amethyst	→	1195	Pastel Lilac	Approximate ΔE 5.2	1261 1075
3040	Lavender	→	1074	Palest Mauve	Approximate ΔE 6.7	1073 1076
3045	Cachet	→	1074	Palest Mauve	Close ΔE 4.2	1021 1020
3062	Cinder	→	1177	Tempest	Close ΔE 4.3	1249 1067
3102	Provence	→	1066	Blue	Approximate ΔE 7.7	1080 1086
3110	Dark Ink	→	1082	Amethyst	Approximate ΔE 9.5	1086 1263
3114	Purple Twist	→	1090	Blackberry	Close ΔE 2.9	1089 1203
3130	Dawn of Violet	→	1260	Violet Tulip	Approximate ΔE 5.1	1199 1085
3210	Blueberry	→	1263	Violet	Close ΔE 4.2	1248 1200
3211	Twilight	→	1263	Violet	Approximate ΔE 7.7	1200 1082
3241	Amethyst Frost	→	1074	Palest Mauve	Very close ΔE 1.8	1076 1075
3251	Haze	→	1147	Regal Orchid	Close ΔE 4.1	1078 1146
3265	Slate Gray	→	1216	Midnight	Close ΔE 4.3	1178 1180
3274	Battleship Gray	→	1321	Metal	Close ΔE 3.3	1216 1177
3323	Delft	→	1080	Royal Purple	Close ΔE 2.9	1084 1202
3331	Cadet Blue	→	1085	Light Purple	Approximate ΔE 7.1	1197 1198
3332	Forget Me Not	→	1253	Ocean Blue	Approximate ΔE 5.3	1200 1325
3333	Fire Blue	→	1202	Royal	Near identical ΔE 0.3	1069 1066
3335	Flag Blue	→	1254	Blue	Close ΔE 4.7	1201 1256
3344	Midnight	→	1072	Deep Windsor	Close ΔE 3.7	1293 1071
3350	Lavender Whisper	→	1060	Cadet Blue	Close ΔE 4.6	1197 1164
3353	Light Midnight	→	1069	Royal Blue	Approximate ΔE 5.1	1066 1202
3355	Dark Indigo	→	1069	Royal Blue	Approximate ΔE 5.7	1202 1066
3363	Midnight Blue	→	1324	Light Midnight	Approximate ΔE 6.0	1068 1204
3410	Rich Blue	→	1065	Wedgewood	Approximate ΔE 5.6	1064 1200
3444	Concord	→	1216	Midnight	Approximate ΔE 6.0	1321 1178
3450	Lavendar	→	1085	Light Purple	Close ΔE 4.9	1198 1061
3510	Electric Blue	→	1086	Violet Blue	Approximate ΔE 9.9	1201 1066
3522	Blue	→	1254	Blue	Near identical ΔE 0.4	1084 1202
3536	Heraldic	→	1080	Royal Purple	Close ΔE 4.6	1089 1090
3541	Venetian Blue	→	1082	Amethyst	Approximate ΔE 9.5	1263 1086
3543	Royal Blue	→	1086	Violet Blue	Approximate ΔE 7.2	1066 1254
3544	Sapphire	→	1254	Blue	Close ΔE 4.7	1201 1256
3554	Navy	→	1070	Blue Ribbon	Close ΔE 4.1	1072 1204
3572	Summer Grey	→	1171	Foget-Me-Not	Approximate ΔE 5.7	1167 1314
3574	Darkest Blue	→	1180	Black	Approximate ΔE 8.2	1070 1324
3600	Nordic Blue	→	1248	Violet	Close ΔE 2.3	1200 1247
3611	Blue Ribbon	→	1248	Violet	Approximate ΔE 10.0	1081 1247
3612	Starlight Blue	→	1254	Blue	Near identical ΔE 0.4	1084 1202
3622	Imperial Blue	→	1201	Jamie Blue	Near identical ΔE 0.7	1253 1254
3630	Sweet Boy	→	1058	Caribbean Blue	Very close ΔE 1.9	1198 1061
3631	Tufts Blue	→	1064	Dolphin Blue	Close ΔE 4.6	1097 1065
3640	Lake Blue	→	1197	Cristy Blue	Close ΔE 3.8	1062 1198
3641	Wedgewood	→	1197	Cristy Blue	Close ΔE 4.5	1198 1061
3644	Royal Navy	→	1204	Blue	Close ΔE 2.6	1256 1070
3645	Prussian Blue	→	1324	Light Midnight	Close ΔE 3.3	1204 1068
3650	Ice Cap	→	1055	Illusion Blue	Approximate ΔE 7.4	1311 1210
3652	Baby Blue	→	1062	Sky Blue	Close ΔE 3.6	1171 1057
3654	Blue Shadow	→	1325	Lake Blue	Close ΔE 4.9	1098 1324
3666	Space	→	1180	Black	Approximate ΔE 7.0	1070 1324
3713	Cornflower Blue	→	1097	Medium Blue	Close ΔE 2.7	1064 1271
3730	Something Blue	→	1062	Sky Blue	Close ΔE 3.1	1197 1057
3732	Slate Blue	→	1070	Blue Ribbon	Very close ΔE 1.0	1204 1072
3743	Harbor	→	1325	Lake Blue	Approximate ΔE 8.7	1321 1108
3750	Winter Frost	→	1060	Cadet Blue	Close ΔE 3.5	1057 1094
3761	Winter Sky	→	1055	Illusion Blue	Approximate ΔE 8.5	1210 1311
3770	Oyster	→	1210	Blue Blush	Near identical ΔE 0.6	1163 1055
3810	Laguna	→	1199	Allure	Approximate ΔE 5.7	1063 1058
3815	Reef Blue	→	1096	Blue / Green	Close ΔE 3.6	1102 1059
3820	Celestial	→	1062	Sky Blue	Close ΔE 3.4	1197 1198
3830	Surfs' Up	→	1102	Baltic Blue	Close ΔE 4.9	1096 1250
3840	Oxford	→	1091	Soothing Sea	Approximate ΔE 8.2	1210 1055
3842	Copenhagen	→	1177	Tempest	Approximate ΔE 5.5	1320 1176
3852	Manatee	→	1321	Metal	Approximate ΔE 6.9	1177 1176
3900	Cerulean	→	1097	Medium Blue	Close ΔE 4.7	1064 1271
3901	Tropical Blue	→	1102	Baltic Blue	Very close ΔE 2.0	1096 1059
3902	Colonial Blue	→	1253	Ocean Blue	Close ΔE 3.2	1325 1201
3910	Crystal Blue	→	1062	Sky Blue	Close ΔE 2.8	1057 1094
3951	Azure Blue	→	1060	Cadet Blue	Close ΔE 2.9	1197 1062
3953	Ocean Blue	→	1177	Tempest	Close ΔE 4.6	1323 1087
3962	River Mist	→	1060	Cadet Blue	Close ΔE 3.8	1057 1055
3963	Hint of Blue	→	1057	Sky Blue	Approximate ΔE 5.9	1060 1094
3971	Silver	→	1311	Illusion Blue	Very close ΔE 2.2	1055 1210
4010	Caribbean Blue	→	1275	Aquamarine	Very close ΔE 1.8	1100 1101
4032	Teal	→	1250	Wonder Blue	Very close ΔE 2.0	1287 1103
4033	Tartan Blue	→	1098	Peacock	Very close ΔE 2.2	1325 1108
4071	Glacier Green	→	1311	Illusion Blue	Approximate ΔE 7.5	1029 1055
4073	Metal	→	1340	Flint Gray	Close ΔE 3.5	1319 1135
4074	Dimgray	→	1321	Metal	Close ΔE 4.4	1216 1178
4101	Wave Blue	→	1278	Marine Aqua	Close ΔE 3.5	1101 1277
4103	California Blue	→	1095	Surf Blue	Very close ΔE 2.0	1103 1059
4111	Turquoise	→	1099	Turquoise	Approximate ΔE 7.4	1267 1100
4113	Alexis Blue	→	1276	Marine Blue	Approximate ΔE 5.6	1099 1270
4116	Dark Teal	→	1107	M. D. Green	Close ΔE 3.8	1209 1106
4133	Deep Ocean	→	1108	Dark Blue	Approximate ΔE 5.2	1107 1341
4152	Serenity	→	1276	Marine Blue	Close ΔE 2.4	1287 1171
4174	Charcoal	→	1178	Dark Grey	Close ΔE 4.2	1216 1321
4220	Island Green	→	1105	M. D. Green	Close ΔE 4.9	1275 1100
4230	Aqua	→	1266	Mint Julep	Approximate ΔE 7.2	1093 1267
4240	Spearmint	→	1205	Bleached Aqua	Approximate ΔE 6.9	1093 1091
4250	Snomoon	→	1091	Soothing Sea	Approximate ΔE 6.4	1205 1110
4410	Aqua Velva	→	1278	Marine Aqua	Near identical ΔE 0.8	1103 1101
4421	Light Mallard	→	1275	Aquamarine	Very close ΔE 2.3	1101 1100
4423	Marine Aqua	→	1278	Marine Aqua	Close ΔE 3.7	1277 1101
4425	Dark Aqua	→	1114	Bluestone	Very close ΔE 1.8	1112 1285
4430	Island Waters	→	1104	Tropical Wave	Approximate ΔE 6.8	1093 1266
4442	Deep Sea Blue	→	1118	Peppermint	Very close ΔE 1.9	1279 1207
4452	Truly Teal	→	1105	M. D. Green	Approximate ΔE 5.6	1114 1113
4515	Spruce	→	1107	M. D. Green	Approximate ΔE 6.2	1209 1289
4531	Caribbean	→	1277	Cyan	Very close ΔE 2.3	1274 1118
4610	Deep Aqua	→	1105	M. D. Green	Close ΔE 4.1	1104 1113
4620	Jade	→	1105	M. D. Green	Approximate ΔE 5.1	1104 1113
4625	Seagreen	→	1289	Green Forest	Close ΔE 2.7	1290 1346
4643	Amazon	→	1327	Oceanic Green	Approximate ΔE 7.9	1107 1341
4644	Mallard	→	1296	Water Lilly	Approximate ΔE 9.8	1330 1208
4740	Aquamarine	→	1104	Tropical Wave	Very close ΔE 2.0	1113 1266
4752	Vintage Blue	→	1276	Marine Blue	Close ΔE 4.7	1287 1170
4952	Mystic Blue	→	1266	Mint Julep	Close ΔE 4.2	1093 1267
5005	Rain Forest	→	1289	Green Forest	Near identical ΔE 0.3	1117 1209
5010	Scotty Green	→	1118	Peppermint	Near identical ΔE 0.5	1207 1279
5050	Luster	→	1110	Blue Glass	Approximate ΔE 5.9	1109 1092
5100	Green	→	1342	Vibrant Green	Approximate ΔE 5.0	1207 1115
5101	Dark Jade	→	1105	M. D. Green	Approximate ΔE 6.7	1118 1207
5115	Baccarat Green	→	1114	Bluestone	Close ΔE 3.9	1112 1113
5210	Trellis Green	→	1114	Bluestone	Very close ΔE 1.6	1112 1113
5220	Silver Sage	→	1272	Mint	Approximate ΔE 5.8	1168 1111
5230	Bottle Green	→	1111	Pale Aqua	Approximate ΔE 5.8	1272 1113
5233	Field Green	→	1117	Green Forest	Close ΔE 3.0	1289 1209
5324	Bright Green	→	1344	Dark Green	Close ΔE 4.2	1346 1347
5326	Evergreen	→	1343	Green Bay	Close ΔE 4.6	1117 1116
5335	Swamp	→	1347	Evergreen	Very close ΔE 2.2	1291 1292
5374	Forest Green	→	1344	Dark Green	Approximate ΔE 7.6	1298 1347
5411	Shamrock	→	1116	Dark Green	Near identical ΔE 0.4	1342 1115
5415	Irish Green	→	1116	Dark Green	Approximate ΔE 5.0	1172 1126
5422	Swiss Ivy	→	1285	Bright Green	Approximate ΔE 6.1	1342 1114
5440	Mint	→	1112	Seafoam	Approximate ΔE 6.4	1111 1124
5450	Basic Seafoam	→	1111	Pale Aqua	Close ΔE 3.0	1272 1113
5500	Limedrop	→	1125	Harvest Green	Approximate ΔE 7.3	1123 1285
5510	Emerald	→	1126	Kelly	Close ΔE 4.7	1115 1125
5513	Ming	→	1126	Kelly	Approximate ΔE 6.1	1123 1115
5515	Kelly	→	1342	Vibrant Green	Close ΔE 2.8	1115 1285
5531	Pear	→	1121	Spruce	Close ΔE 4.3	1120 1124
5542	Garden Moss	→	1296	Water Lilly	Approximate ΔE 9.6	1208 1330
5552	Palm Leaf	→	1282	Jadeite	Close ΔE 2.9	1170 1206
5555	Deep Green	→	1344	Dark Green	Near identical ΔE 0.4	1298 1346
5565	Enchanting Forest	→	1298	Mitchell Green	Approximate ΔE 5.1	1347 1291
5610	Bright Mint	→	1121	Spruce	Close ΔE 4.3	1120 1119
5613	Light Kelly	→	1285	Bright Green	Near identical ΔE 0.0	1125 1115
5633	Lime	→	1284	Meadow	Close ΔE 4.3	1126 1123
5643	Green Dust	→	1344	Dark Green	Close ΔE 4.8	1346 1343
5650	Spring Frost	→	1119	Dark Olive Green	Approximate ΔE 6.8	1109 1272
5664	Willow	→	1330	Seagrass	Approximate ΔE 7.7	1282 1170
5743	Asparagus	→	1296	Water Lilly	Close ΔE 3.4	1343 1344
5822	Kiwi	→	1121	Spruce	Approximate ΔE 6.7	1124 1119
5830	Chartreuse	→	1119	Dark Olive Green	Approximate ΔE 5.1	1109 1121
5832	Celery	→	1121	Spruce	Approximate ΔE 8.0	1122 1124
5833	Limabean	→	1122	Dark Green	Approximate ΔE 7.8	1121 1120
5866	Herb Green	→	1295	Khaki	Poor match ΔE 10.9	1161 1144
5912	Erin Green	→	1122	Dark Green	Approximate ΔE 5.8	1120 1121
5933	Grasshopper	→	1016	Pale Green / Yellow	Poor match ΔE 10.5	1124 1221
5934	Moss Green	→	1221	Tamarack	Close ΔE 3.9	1016 1018
5940	Sour Apple neon	→	1120	Sharp Green	Approximate ΔE 7.4	1003 1004
5944	Backyard Green	→	1172	Sage	Close ΔE 3.6	1296 1297
6010	Mountain Dew neon	→	1005	Daffodil	Approximate ΔE 6.0	1007 1004
6011	Tamarack	→	1120	Sharp Green	Very close ΔE 1.7	1121 1119
6031	Limelight	→	1004	Medium Yellow	Approximate ΔE 5.5	1003 1006
6043	Yellowgreen	→	1172	Sage	Poor match ΔE 10.1	1284 1221
6051	Jalapeno	→	1119	Dark Olive Green	Approximate ΔE 6.7	1120 1003
6071	Old Lace	→	1301	Oxford Tan	Close ΔE 3.0	1339 1338
6133	Caper	→	1221	Tamarack	Close ΔE 3.2	1016 1018
6151	Lemongrass	→	1010	Tusk	Approximate ΔE 5.2	1119 1006
6156	Olive	→	1295	Khaki	Poor match ΔE 12.2	1294 1173

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 Rayon

Marathon Rayon is a 40 wt viscose rayon embroidery thread with a high sheen, often chosen for decorative work where a glossy finish matters more than bleach resistance.

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 Polyester 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 Rayon conversion chart?

Yes — this page lists the closest Marathon Rayon 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 Rayon?

79 of 398 colors (20%) rate Very close or better, and 60% rate Close or better. The remaining colors have only approximate substitutes.

Can I convert Marathon Rayon back to Isacord 40?

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