Pickard is an open source color selection tool, licensed under the GNU General Public License, that has many features of the color pickers you can find in high-level...
pickard is an open source color selection tool, licensed under the gnu general public license, that has many features of the color pickers you can find in highlevel image processing applications (like photoshop, paint shop pro or gimp), its features includes:
spectrum color selection
eyedrop color selection
multiple color spaces support (rgb, hsl, cmy, yuv)
multiple color string formats (html, delphi, visual basic, c++, ssa, ass)
screen magnifier with variable zoom level (from 1:1 to 1:20)
"stay on top" functionality
Productivity Phots and Graphics
color-picker