Cooper, A.C.; McLaren, K. (1973). "The ANLAB colour system and the dyer's variables of "shade" and strength". J. Soc. Dyers Colorists. 89 (2): 41–45. doi:10.1111/j.1478-4408.1973.tb03128.x.
Tager, A.; Kirchner, E.; Fedorovskaya, E. (2021). "Computational evidence of first extensive usage of violet in the 1860s". Color Research & Application. 46 (5): 961–977. doi:10.1002/col.22638. S2CID233671776.
pantone.com
Pantone TPX Pantone Color Finder Type the words "Ultra Violet" into the indicated window on the Pantone Color Finder and the color will appear
Tager, A.; Kirchner, E.; Fedorovskaya, E. (2021). "Computational evidence of first extensive usage of violet in the 1860s". Color Research & Application. 46 (5): 961–977. doi:10.1002/col.22638. S2CID233671776.
w3.org
Çelik, Tantek; Lilley, Chris, eds. (18 January 2022). "CSS Color Module Level 3". W3C. w3.org. Retrieved 10 September 2022.