RGB mainly stands for three primary colors, they are Red, Green and Blue. You can use this online HTML RGB Converter to convert RGB color values to HEX Color Code. The red, green and blue, uses 8 bits each and holds integer value from 0 to 255. The RGB color code is an additive model in which these primary RGB colors are combined in different ways to reproduce hex colors. This RGB Color Chooser tool also aids to be used as color codes.