Color Replacement Fill
The Color Replacement Fill Tool will find and replace every occurrence of a color in your picture with the color and method (solid color, gradient, image tile, pattern, etc.) chosen from the Fill Selector and Color Palette. The left mouse button will fill using the color on the left side of the Color Box. The right mouse button will fill using the color on the right side of the Color Box.
To use this tool, click the mouse button once on the color in your picture that you want to replace.
See Fill Tools for more details on using this tool.