Posted by gouessej on May 14, 2015; 2:00pm
URL: https://forum.jogamp.org/gl-glColor3f-in-a-loop-seems-to-almost-never-work-tp4034472p4034483.html

Please read the documentation:
http://docs.oracle.com/javase/7/docs/api/java/awt/Color.html#getBlue()
https://www.opengl.org/sdk/docs/man2/xhtml/glColor.xml

AWT returns a color component in the range [0; 255] whereas OpenGL expects a color component in the range [0;1].