Color Picker

Settings Colors Color Picker
Lets you select a basic color or create a custom color to be used for displaying objects and the background of the Main window and any View windows that you create.
 
For the option:
Do the following:
Basic Colors
Select a color from the 48 basic colors available.
Tip: You can define a custom color by clicking the closest basic color, modifying it, and then selecting Add to Custom Colors.
Custom Colors
Select an empty box to create a custom color or select a custom color you've already defined so you can modify it.
Color Matrix
Click anywhere to select a custom color. Use the pointer to change the hue and Saturation. Change hue by moving the pointer horizontally; change saturation by moving the pointer vertically.
Luminosity Slider
Drag the slider to change the luminosity or relative lightness or darkness of a color. Changes the value in the Value text box.
Hue
Specify the hue of a color. The values range from 0 to 239.
Saturation
Specify the saturation of a color.
Value
Specify the luminosity of a color.
Red
Specify the amount of red in a color. You can use any combination of red, green, or blue to define a color.
Green
Specify the amount of green in a color. You can use any combination of red, green, or blue to define a color.
Blue
Specify the amount of blue in a color. You can use any combination of red, green, or blue to define a color.
Add to Custom Colors
Select to add the color currently displayed in the color matrix to the palette of custom colors.