Replace Color

Open the photo below.

Select the Replace Color tool.

In the Properties panel, set the color you want to replace, and the color you want to replace it with.

Make sure the box is checked for "Colorize".

Set the size of the Brush to a bigger size so it's faster.

Brush over the dress to change the color.

Save as "replace color" in your Z:>GA8>Photos>Basics folder.