Product Information Lightfast 1 (1-Excellent, 2-Very Good, 3-Good, 4-Fair, V-Poor) Warm Grey 70% PC 1056 RGB: 136,139,161 CMYK: 45,44,35,3 Artists' quality colored pencils for every level of expertise. High quality pigments for a rich color saturation. Soft, thick cores create a smooth color laydown for superior blending and shading. Thick leads resist breakage.