You can select the Color Picker wherever a color parameter appears.
For example, when you select an appearance in the Appearance tab, its color
parameters appear as strips of color. Clicking any of these color parameters
displays the Color Picker to let you edit that color.
The Color Picker has all the standard controls, plus an eyedropper that lets
you sample colors anywhere on your screen – even outside the SOLIDWORKS Visualize window.
To set a color using the Color Picker: