Raw files are not yet exactly RGB yet, but raw files are also not viewable images yet, not until the RGB conversion that we can view. We view light transmitted directly from the source. This article is about RGB color, which is universally used in our digital cameras and scanners, almost all photo image files, computers, video monitors, cell phones, television and computer screens, stage lighting, and about anything else working with light (and our human eyes are a RGB system too). Our home color printers also use CMYK ink, however they are designed to use and convert RGB images (because that is what we have to print). The CMYK system is used by commercial printing, including magazines and books. We see the light reflected from the surface after the pigment color has absorbed some colors of it. ![]() CMYK (Cyan, Magenta, Yellow, Key, Wikipedia) is called the Subtractive system as reflected from pigments (for example, seen after reflection from a surface, such as from painting, printing or photo prints).Our eye sees the light directly transmitted from the source. ![]() RGB (Red, Green, Blue, Wikipedia) is called the Additive system of light itself (for example, as transmitted from computer monitors and television sets). ![]() There are other color systems, but two of the basic color systems are: First the color systems, and then the details of RGB below.
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