|Keyboard Shortcut||Menu Shortcut||Menu Location|
|P||Alt+R, P||Raster -> Paint|
The Paint command fills all touching pixels of the same color with the current foreground color.
Activate the Paint command. Click on a color that you wish to replace. That pixel and all connected pixels of the same color will be replaced with the foreground color.
If a selected region is active, only pixels inside the selection can be painted over.