These are color studies by BA and MFA students from color courses I have taught at Princeton and at UMass Amherst over the years. They explore the prompts from Josef Albers' interaction of Color book. From Top to Bottom:

Volume+Speed+Weight by Mary-Frances Cusick; Gradient study by Jessica Zheng; Colored shadow study by Calypso Michelet; Copy of Degas by Lena Volpe; Colored shadow study by Carl Bridge; Found rainbow by Chenoa Albertson; Copy of Signac by Ben Stanton; Copy of Monet by Chenoa Albertson;  Speed by Shiye Su; Speed by Chenoa Albertson; Age Spectrum by Mikayla Reid; Color Walk portrait by Jenny Kaufmann;  Color Walk portrait by Tim Thong; Color Walk portrait by Kate Wang; Color Walk portrait by Ruby Guo; Color Walk portrait by Matthew Ramirez; Color Walk portrait by Dayna Valek; Color Walk portrait by Charlie Volker; Color Walk portrait by Lena Volpe; Color Walk portrait by Allie Klimkiewicz;  Color Walk portrait by Shiye Su.