Perceptual colorpicker

A tool by Olivier Vicario for the Processing programming environment.
Last update, 02/06/2018.

Choose from 3 to 7 colors from CIE Lab or Lch with different graphic tools.
PCP is a colorpicker that use a background to display different color plans from CIE Lab and LcH color spaces i.e. a/b, b/L, a/L, c/H, c/L, H/L. The third coordinate which is not in the plane define it in the colors volume. It can vary with slider as a constant or as a gradient. Upon these background you can use different tools i.e. segment, spline, polygon, related or palette to choose set of colors. Colors coordinates can be display in CIE Lab, CIE LcH, WEB, sRGB code. You can snapshot the whole user interface or just the color palette with coordinates as png file. You can also save in the clipboard the web codes.


Download Perceptual colorpicker version 1.0.0 (1) in .zip format.


Unzip and put the extracted PerceptualColorPicker folder into the tools folder of your Processing sketches. Reference and examples are included in the PerceptualColorPicker folder.

Keywords. colorpicker,color-scheme,color-palette,cielab,cielch

Reference. Have a look at the javadoc reference here. A copy of the reference is included in the .zip as well.

Source. The source code of Perceptual colorpicker is available at GitHub, and its repository can be browsed here.


Find a list of examples in the current distribution of Perceptual colorpicker, or have a look at them by following the links below.


Platform osx,windows
Processing 3.0
Dependencies no