Luminance 6910 by Caran d'Ache are the most lightfast and permanent coloured pencils ever made. Each pencil consists of a 3.8mm diameter lead with an intense pigment concentration and a creamy texture, stored in an 8-ply round casing bearing the colour number, the colour of the lead and the name of the colour. 61 of the 76 colours in the Luminance range achieved the highest award (Lightfastness I) under the standard ASTM D-6901. Every shade has been formulated using finely-ground pigments chosen for their purity, intensity and resistance to UV light.

This set contains the following colours:

Anthraquinoid Pink, Black, Brown Ochre, Brown Violet, Burnt Ochre, Burnt Ochre 10%, Burnt Sienna, Burnt Sienna 10%, Cassel Earth, Cornelian, Dark Sap Green, French Gray, Golden Bismuth Yellow, Genuine Cobalt Blue, Grass Green, Green Ochre, Lemon Yellow, Light Cobalt Blue, Malachite Green, Manganese Violet, Moss Green, Naples Ochre, Olive Yellow, Orange, Payne's Gray, Permanent Red, Perylene Brown, Phthalo Blue, Prussian Blue, Purplish Red, Raw Umber, Sanguine, Scarlet, Silver Gray, Slate Gray, Spring Green, Turquoise Blue, Violet, White and Yellow Ochre.