The Curve Colors page of the Edit Preferences Dialog Box appears when you click on the "Curve Colors" section in the sidebar menu of the Edit Preferences dialog box in the graph or pattern tab.
This page allows you to change the list of choices for the color of a curve. Whenever you add a new curve, the default color will be the next color in this list. Place colors that you like at the top of the list.
Add: Click the Add button to add a new color below the selected color.
Edit: Click the Edit button to replace the selected color with a new custom color. This opens a system specific window that allows you to create custom colors. You may also double-click the color to edit it.
Move: To change the order of the colors, select a color and click the Move Up or Move Down button.
Restore Curve Colors Defaults: Click this button to restore the list to the original default colors.