I've sung the praises of ColorSnapper many times before, because it's an app that's absolutely vital to my work. My colourblindness means that I can't esaily tell the difference between green and brown, blue and purple. The smaller the area of colour, the harder it is, so those standard swatch palettes you get in graphic apps are hell. Colorsnapper allows me to quickly position a loupe over any part of the screen, and immediately get the hue value. From this number, I can know for sure what I...