Drawing 3-D RGB cube model with Matlab - Stack Overflow
3: The RGB color space visualized as a cube | Download Scientific Diagram
color - Tikz: Draw a RGB cube - TeX - LaTeX Stack Exchange
RGB Tone cube
JDC Spring-2000 v2 - Digital Color Design with the RGB Color Cube: Visualization and Color Coordination Activities | Virginia Tech Scholarly Communication University Libraries
File:RGB color solid cube.png - Wikimedia Commons
File:RGB Cube Show lowgamma cutout a.png - Wikimedia Commons