By Pabini Gabriel-Petit Published: February 5, 2007 This article is Part IV of my series “Color Theory for Digital Displays.” It describes how you can use color in applications and on Web pages to ensure that they are accessible to people who have color-deficient vision. If you do not consider the needs of people with ...

By Pabini Gabriel-Petit Published: January 20, 2006 This article is Part III of my series “Color Theory for Digital Displays.” It describes how you can apply color theory to application program user interfaces and Web pages and provides many guidelines for the effective use of color. For backgrounds behind text, use solid, contrasting ...