/* Material types */
GLfloat materialAmbient[] = {0.2, 0.2, 0.2, 1.0};
-GLfloat materialDiffuse[] = {1.0, 0.8, 0.0, 1.0};
+GLfloat materialDiffuse[] = {0.8, 0.8, 0.8, 1.0};
GLfloat materialSpecular[] = {1.0, 1.0, 1.0, 1.0};
GLfloat materialShine = 100.0;