RGB (short for Red, Green, Blue) An RGB color space is any additive color model. The main purpose of the RGB color model is for the sensing, representation, and display of images in electronic systems ...
bb is the color's blue component ... For example, red is specified as '00FFFF00', green as 'FF00FF00', process black (uses cyan, magenta, and yellow ink) as 'FFFFFF00', and pure black (uses only black ...