CARAN D'ACHE Luminance 6901 Colour Pencils Set - PortraitKnown for their superb lightfastness and and buttery smooth colour laydown, CARAN D'ACHE Luminance 6901 Colour Pencils are the preferred choice for professional artists with the most exacting demands. Their soft, creamy texture and intense pigmentation allows for excellent colour coverage and easy blending. Of the 100 colours in the range, 80 are rated in the best category of lightfastness (Lightfastness I according to ASTM D 6901 standard), which