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Color > 163: Thou shall understand the function of different color models

163: Thou shall understand the function of different color models

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Commentary Color models can also be referred to as color spaces and are all important when it comes to maintaining color consistency in a workflow when combined with color profiles. They’re all about mathematics but don’t worry, you don’t actually have to do the math yourself. The models that most designers will recognize are RGB and CMYK. These are device-dependent models, meaning they’re designed to facilitate color reproduction on devices such as monitors and printing systems. They also have a limited color range—known as a color gamut (which you can read about in Rule #165), so some colors produced with these models aren’t always true to the original, but are governed by whatever device you’re looking at or printing with. Device-independent models, on the other hand, mimic the way our eyes perceive color so are technically more accurate to the original. LAB is the most common model of this type and has a much larger color gamut than other models. It’s popular with designers that do a lot of color correction because it can separate an image’s luminance (or brightness) from its color. TS

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