Free and open source Java application that will help you generate images of color blends
Version: 1.3.0PatchAnim is a tool for generating animated images of tweened color blends based on bezier surface patches where the height of the surface patch represents the color value. Three patches are used (R,G,B) to make up each patch.
Operating System: Mac OS X
PatchAnim is written in Java and should work on all major platforms, like: Mac OS X, Windows, Linux etc.
NOTE: PatchAnim is licensed and distributed under the terms of the GNU Library or Lesser General Public License (LGPL).