C235 wheel, unifying RGB, CMYK and HSV. (IMAGE) City University of Hong Kong Caption C235 wheel, unifying RGB, CMYK and HSV. The compressed C235 wheel unifies the CMYK, RGB, and HSV colour systems using a much smaller number of raw colours (key values) to represent all 2563 colours. Credit © Li, H. et al. https://www.nature.com/articles/s41377-023-01073-x Usage Restrictions Image must be used with appropriate caption and credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.