Product Information Lightfast 1 (1-Excellent, 2-Very Good, 3-Good, 4-Fair, V-Poor) Lemon Yellow PC 915 RGB: 245,255,18 CMYK: 4,0,93,0 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.