Yenra : Web Work : RGB Hex Triplet Color Chart - Web Safe Colors - Netscape Color Palette : To be safe, use one of these colors

Picking web safe colors was a big deal from 1995 to 1997, when people's computers at work were often very limited in how many colors they could display. Picking fancy colors was a big problem then. Now, most monitors can display so many colors that it doesn't matter as much.

The following color chart is a good way to pick safe standards web colors.

RGB Hex Triplet Color Chart