Have you ever had difficulties making selections and thought there was a better way? Let’s review both quick solutions, and on the other side, comprehensive and details techniques for making selections. Each approach has it’s place in your workflow. The more methods you know how to use, the faster and more effectively you’ll move in Photoshop.
- Chroma: is the color of the pixel. Color of a pixel is the level of RGB values and color based select tools like the Magic Wand. Select by color uses the RGB% as a criteria to group pixels based on the set tolerance values.
- Luma: is a selection based on Illumination levels. Illumination levels are whiteness of the image, which is nothing but higher values for all the three R, G and B channels. Photoshop doesn’t have a native interface for a Luma based selection, but many existing tools can be hacked to get a similar result.
