Colors
Adjust Colors
Click on the Effects menu then Colors, then point the mouse at Adjust. A submenu allows you to select one of the effects.
You can change brightness, contrast, RGB, HSL and HSV. Move the settings up or down, to adjust colors. You will see the image change as you move the control.
When you are satisfied, click OK. To quit without changes, click Cancel.
Negative
Click on the Effects menu then Colors, click Negative.
The image is converted to a reversed color version of the original.
Grayscale
Click on the Effects menu then Colors, click Grayscale.
Grayscale is actually a color mode, like RGB. It contains more information about the photo than Black and White. Converting from color to grayscale will usually give a better effect than from color to black and white.
Tint to Color
Click on the Effects menu then Colors, click Tint to color.
Works likes grayscale, but base colors are black and selected color.
Change Color Depth
Click on the Effects menu then Colors, then point the mouse at Change color depth. A submenu allows you to select one of the color depth combinations.
Swap Colors
Click on the Effects menu then Colors, then point the mouse at Swap Colors. A submenu allows you to select one of the color combinations to change the image.
This command operates at the pixel level, changing the color of all, or most, depending on which combination you select.
Example: if you choose RGB -> RBG, the pixels that are green will be made blue, and the blue pixels will be made green. (In this combination the red pixels stay the same.)
The possible swaps are:
RGB -> RBG
RGB -> BGR
RGB -> BRG
RGB -> GRB
RGB -> GBR
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