We have color conversion information
both to and from the following palettes
(Over 21,000 colors)

ABC, Admelody, AE Signature, Anchor Floss, Angel Rayon, ARC (rayon, poly, metallic), Aurifil (lana, mako, poly, rayon,royal), Brildor, Brother (poly and country colors), Coats and Clark (alcazar, alcazar jazz, home embroidery, sylko poly), Colorful, DMC (floss, machine embroidery, rayon), Echidna Poly, Embroidex, FatKat, Floriani Poly, FuFu (rayon, poly), Gunold, Guterman (general sewing, rayon), Hemingworth, Hilo/Iris (poly, rayon), Isacord, Isafil, Isalon, Janome, JP Coats, Kingstar US (1000m, 5000m, metallic), Madeira (burmilana, rayon, polyneon), Marathon (poly, rayon), MegaSheen, Mettler (silk finish, embroider, polysheen), Pantone solid process colors, Peacock Rayon, PolyX, Princess, Radiant (poly, rayon), Rapos, Robison-Anton (poly, rayon), Royal (tajima), Royal (coleman-SWF), Salus (Ameth), Spectrum Rayon, Sulky, Swist, ThreadArt, ThreaDelight, TriStar (rayon and poly), UltimaPoly, Valdani, Vyapar, Wonderfil