How do you replace a textured (watercolor) color?

[BruceM]

I've done a logo with a green watercolor look. I would like to replace the green with a reddish orange.
I'm seeing that you can replace a solid color using the FX Stack, but is there a way to replace the color in a textury watercolor image with another color?

[slowtiger]

As long as you keep a single colour on a separate layer you can: set "preserve layer transparency" and paint, or draw a coloured rectangle over it.

[ematecki]

You also have the Colorize and Tint blending modes for layers and/or tools, experiment a bit with these...