Color Expression

Color expression determines where Corel Painter should use the primary or secondary color in an image.

The Color Expression Palette

The Color Expression palette lets you introduce input, such as direction, that controls output when applying two-color brush strokes.

The Color Expression palette.

To display the Color Expression palette

• Choose Window menu > Show Color Expression.

To set Color Expression controls

1. Choose Window menu > Show Color Expression to display the Color Expression palette.
2. From the Controller pop-up menu, choose one of the following:

• None - applies no adjustment to the color expression
• Velocity - adjusts the color expression based on the dragging speed
• Direction - adjusts the color expression based on the direction of the stroke, and according to the value you set with the slider or in the box
• Pressure - adjusts the color expression based on stylus pressure
• Wheel - adjusts the color expression based on the wheel settings on an airbrush stylus, specifically the Wacom Intuos Airbrush stylus
• Tilt - adjusts the color expression based on the angle of the stylus from the tablet
• Bearing - adjusts the color expression based on the direction in which the stylus points
• Source - adjusts the color expression based on the luminance of the clone source
• Random - adjusts the color expression at random

3. If you want to switch the primary and secondary colors, enable the Invert check box to invert the color expression.