Color Preferences
Hitting the space bar:
Toggles the preferences panel on and off.
Line:
Changes the color of the line.
Cirlce:
Changes the color of all circles.
Circle Intersections:
Changes the color of all circle intersections.
Color gradient 1 of Controls:
Changes the bottom color gradient.
Color gradient 2 of Controls:
Changes the top color gradient.
Default Colors:
Colors return to their default colors.
Transparency:
Sets the transparency of the entire tool.
