In the Adobe Color Picker, you choose colors using four color models: HSB, RGB, Lab, and CMYK. Use the Adobe Color Picker to set the foreground color, background color, and text color. You can also set target colors for different tools, commands, and options.
Adobe Color Picker
A. Picked color
B. Original color
C. Adjusted color
D. Out-of-gamut alert icon
E. Not web-safe alert icon
F. Web Colors option
G. Color field
H. Color slider
I. Color values
More information on the Color Picker
Courtesy of Adobe Resource Center
Tags: color, picker