The RGB model is a lot larger than the CMYK model.Īlso, converting to CMYK will result in a larger file because of the four channels used. This is because some colors are impossible to print. They will often look dull and less vibrant. When you convert to CMYK, colors may appear different on screen. It’s always best to start editing in RGB mode before converting to CMYK. Use CMYK mode when working with images you want to print. Photoshop assigns a percentage of ink to each pixel. Light colours are assigned small percentages of ink and darker colours higher percentages. CMYK ColorĬMYK Color Mode is based on the use of inks. The exact range of colors can vary depending on application or device. Each tiny dot in a computer monitor or screen contains RGB information. The RGB model is very large and consists of millions of colors. RGB combines red, green and blue to create all colors. It’s a standard Photoshop Color Mode and the most important one for photographers.Ĭomputer monitors and cameras use the RGB model. RGB Color Mode uses three colors to reproduce colors on screens. Here’s an overview of the different Color Modes in Photoshop. The difficult part is to know what each Color Mode does. Go to Image > Mode to select a different Color Mode. It’s very easy to change the Photoshop Color Mode. The purpose of your project will decide which Color Mode to use. Different Color Modes result in different levels of color detail and file size. It affects how colors combine based on the number of channels in a color model. Color modes determine how a photo will be represented on screen or in print.

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