The opponent process theory suggests that the way humans perceive colors is controlled by three opposing systems. We need four unique colors to characterize perception of color: blue, yellow, red, and ...

The science and art of color theory is divided by a wheel or chart into three main categories: primary, secondary and tertiary. Color is something we perceive through a combination of wavelengths ...

Discover how to deploy color theory effectively in a professional design or fine art setting. Receive one-on-one guidance in learning to mix colors and combine colors to achieve a variety of visual ...

Marketers across all professions know they have a tiny window of time — often a fraction of a second — to snag their audience's attention. Just think of all the ads you encounter daily, most of which ...

Jerry Cao is a UX content strategist at UXPin — the wireframing and prototyping app. To learn more about how to create visually digestible interfaces, download the free e-book Web UI Design for the ...

Two folds from an Astrolin Color Card pamphlet by Établissement Georget Fils Peintures Laquées et Vernis, Chantenay-Lès-Nantes (c. 1906), 6 3/10 x 3 3/4 inches (image courtesy Bibliothèque Forney, ...