Prismacolor’s Premier Colored Pencils contain high quality pigments for rich color saturation and thick leads that resist breakage. Soft, creamy cores provide smooth color, making them good for blending, shading and layering. The colors are light-resistant and waterproof.
To view the color chart with lightfast ratings, see this PDF: Prismacolor Lightfast Color Chart
With the Colorless Blender you can blend and layer colors, and soften edges.