In the Adobe Color Picker, you can select a color in any of the four color models by specifying numerical values for each color component.
Using numerical values to specify colors:
Previous: What are web-safe colors and how to use them Next: Specifying colors using gamut and color sliders in Adobe Color Picker [Software Help Network Http://Www.SoftCHM.Com]
Perform one of the following:
(Photoshop) In CMYK color mode (the mode used by PostScript printers), specify the value of each component as a percentage of cyan, magenta, yellow, and black.
In RGB color mode (the mode used by monitors), specify component values between 0 and 255 (where 0 is black and 255 is the pure color).