A simple HSV color picker for Plan9.
Just a simple color picker utility written in Plan9 C, following the style of the Plan9 Clock. Alternatively, you can use Sigrid's Color Picker if you want to use something made by someone who knows what they're doing.
Compile this source with the compiler for your platform, if you are using an ARM device:
5c color.c && 5l -o color color.c