From the course: Photoshop for Designers: Color
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RGB - Photoshop Tutorial
From the course: Photoshop for Designers: Color
RGB
- [Instructor] In these next few movies, I'll show the same image in different color modes. This is the RGB version. It has three color channels, red, green, and blue, superimposed upon each other with the composite, or RGB, channel. Each of the color channels is made up of brightness levels on a scale of zero to 255, with zero being black and 255 being white. I've taken three color samples on this image. The first, number one, let's just open up the info panel, is in a shadow area. Sample point number two is in a mid-tone area, and sample point number three is in a highlight area. So if I edit this image with a curves adjustment, and I can reach my adjustment layers either by clicking on the black-white circle, or by clicking on the icon on the adjustments panel. And I'm going to tear off the properties panel and make this curves dialog a little bigger. So when editing an RGB image with the curves adjustment, if I move the curve up, I am adding light, and things are getting brighter.…
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