At the request of the Colored Pencil Society of America (CPSA), the American Society for Testing and Material has developed standard ASTM D-6901 to determine the lightfast level of a colour. With LUMINANCE 6901®, Caran d'Ache is the only brand to offer a set of 76 colours with 61 colours classified in the best category (Lightfastness I, LFI) under standard ASTM D-6901.
Every shade has been formulated using finely-ground pigments chosen for their purity, intensity and resistance to UV. The chromatic range Luminance 6901 is perfectly balanced and comes in sets of 16 (100% LFI), 38 (85% LFI) or 76 (80% LFI) colour pencils. Artists, designers, architects, stylists, art directors, interior designers and so on – all creative professionals will appreciate the technical features, aesthetics and ergonomics of Luminance 6901, guaranteeing professionals and artists the world over that their talent will survive.