RGB color space or RGB color system, constructs all the colors from the combination of the Red, Green and Blue colors.
The red, green and blue use 8 bits each, which have integer values from 0 to 255. This makes 256256256=16777216 possible colors.
RGB โก Red, Green, Blue
With RGBviewer you can get the (Decimal/Hexadecimal) values of specific color.