To access Palette Window
There are three tabs on the Palette Window:
Web - Click on the desired color to select. Use the scroll bar.
System - Click on the desired color to select. Use the scroll bar.
Custom - Click on the desired color to select. Also you can add your own color to the palette. Click the right mouse button on the white square at the bottom of the box and choose a color.
Choose a color with cursor and arrow on the right of this box or enter numerical parameters of your color. If you want to add the resulting color to the palette click Add Color or Close if you don't.