Munsell Hue Wheel
2.5R 5.0R 7.5R 10.0R 2.5YR 5.0YR 7.5YR 10.0YR 2.5Y 5.0Y 7.5Y 10.0Y 2.5GY 5.0GY 7.5GY 10.0GY 2.5G 5.0G 7.5G 10.0G 2.5BG 5.0BG 7.5BG 10.0BG 2.5B 5.0B 7.5B 10.0B 2.5PB 5.0PB 7.5PB 10.0PB 2.5P 5.0P 7.5P 10.0P 2.5RP 5.0RP 7.5RP 10.0RP