gpick

gpick is a color picker with palette creation and modification tools. It is written in C++ and uses GTK+ toolkit for user interface. Features:Fast color picking Magnified screen area Magnification from 2 to 10 times Colors automatically named Closest color name is found using CIE94 color difference function, which is closer to the way humans interpret color differences, than difference of red, green and blue color amounts Export to following formats Inkscape/GIMP Palette (*.gpl) Adobe Swatch Exchange (*.ase) Alias/WaveFront Material (*.mtl) Import from following formats: Inkscape/Gimp Palette (*.gpl) Adobe Swatch Exchange (*.ase) Picked colors can be copied to clipboard in multiple formats Hexadecimal notation - #rrggbb Functional RGB notation - rgb(red, green, blue) Functional HSL notation - hsl(Hue, saturation, lightness) Custom conversions can be done, but requires some Lua language knowledge Oversampling with five falloff types Multiple pixel values are averaged to help picking colors from sources with noise, patterns and etc, where each pixel is different and overall color is produced by different amounts of particular color Mix two or more colors using variable number of steps and different mixing types Create lightness and/or saturation variations Create harmonious colors Create color schemes