Paint Unpainted

You can use the Paint Unpainted tool to paint only zones that are not already filled with color. This tool allows you to quickly paint many zones with the same color while not changing the color of zones that have already been painted.

Use one of the following methods to activate the Paint Unpainted tool:

Select Tools > Drawing Tools > Paint Unpainted.
Click the Paint Unpainted tool on the Drawing Tools toolbar.

If the Paint Unpainted tool is visible in the Drawing Tools toolbar, press [3] to activate it.