The colour of your images can be altered with the 'Colours' option. 3 options are available:
- Grey Scale - Turns your image into a grey scale image.
- Invert Colours -The colours of your image are reversed.
- Sepia - Adds a sepia (light brown) tint.
Click on the option you want to use, and a preview of the Image will be visible in the workspace. Once you are happy with your selection, click 'Save' or 'Save As'.