When I am using Color Picker in Photoshop or Illustrator I am unable to get a Flat color. What are the things or basic points that I should keep in mind so that I am able to judge a color whether it is flat or not. Although flat color can be picked form websites such as
Picking a flat color is not my problem. I want to learn the skill needed to judge and differentiate a flat color from other.
Do all flat colors values follow a pattern ?(like specific hue and saturation).