RGB to Hexidecimal Color Converter Convert standard RGB values (three 0 to 255 ASCII numbers indicating red, green, and blue), into a hexadecimal triplet that can be used for the background and text colors in Web browsers and other software. Please enter the RGB values for your color: Red (0-255): Green (0-255): Blue (0-255):     Find a link that's no longer valid?   Please let us know. Please Note: The information presented on line in the "In A Nutshell" series, is offered as a free, and hopefully, helpful service. Time constraints, however, make it impossible to provide specific answers to individual inquiries.