I’ve had some success using Photoshop’s adjustment layers to create large color palettes from a few base colors, so I thought I’d share the technique. Recently, it came in handy for iStat Menus 5, where we have 14 base colors with 4 variations on each. The 56 resulting colors form iStat Menus’ colors and themes. Base colors # To get started, choose some base colors and draw large blocks as shape l