This app is a huge help in choosing the right colors for your artworks. Three brands of colored pencils are suggested when you pick the color from your reference photo: 150 colored pencils by Prismacolor Premier, 120 colored pencils by Faber-Castell Polychromos and 76 colored pencils by Caran d'Ache Luminance. Option for graphite included. Bonus feature: downloadable, printable Skin Tone Value Viewers for drawing portraits. App is developed and published by the Colored Pencil Artist, Jasmina Susak.