RGB stands for Red, Green, and Blue – the primary colors of light. This color model is used in electronic online displays, such as monitors, TVs, and smartphones. Essentially, it's all about mixing different intensities of red, green, and blue light to create a wide spectrum of colors. With RGB, the more light you add, the brighter and more Use the hex field within the RGB panel. This causes the RGB value that matches the hex code to be used (and retained!). Using the Web Safe panel will cause the hex # you input to be converted to the nearest web safe values (there are only 256 of those!). Once in index mode, we can convert the image back to RGB and create two new spot channels. One for the red and one for the black. Eventually, we will place this file into illustrator and print our separations. This next image shows a comparison. The top image is the original CMYK and the bottom image is indexed into two spot colors. aYAd.