Stroke Attributes controls
You can apply a merge mode to a brush variant to control how brushstrokes interact with the underlying colors within the currently selected layer or the canvas. This technique allows you to produce similar results to applying composite method to layers. In addition, it allows you to control where the effect is applied. For more information about composite methods, see Blending layers by using composite methods.
You can set some stroke attributes on the property bar. For more information, see To choose a dab profile using the property bar.
To apply a merge mode
1
Choose
Window 
Brush Control Panels Brush Media Stroke Attributes.
2
Enable the
Use Stroke Attributes check box.
3
Move the
Stroke Opacity slider.
4
From the
Merge Mode list box, choose one of the following merge modes:
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Creates a new color by combining the luminance of the underlying color with the hue and saturation of the brushstroke color. This method is the opposite of Luminosity. |
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Simulates the photographic technique called burning, which darkens image areas by increasing the exposure |
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Simulates the photographic technique called dodging, which lightens image areas by decreasing the exposure |
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Replaces the hue and saturation of the underlying color with the hue and saturation of the brushstroke color. You can use this mode to apply color to a grayscale image. |
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Darkens the underlying color with the brushstroke color — whichever is darker |
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Covers and hides the underlying brushstrokes |
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Subtracts one color from the other, depending on which color has a greater brightness value |
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Combines the underlying color with the brushstroke color, based on opacity |
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Tints the underlying color with the brushstroke color. For example, a yellow brushstroke gives the underlying color a yellow cast. |
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Uses a combination of the Default method and the Gel method |
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Multiplies, or screens colors, depending on the luminance of the underlying color |
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Creates a color by combining the luminance and saturation of the underlying color with the hue of the brushstroke color |
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Colors with the underlying color or the brushstroke color — whichever is lighter |
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Creates a new color from the hue and saturation of the underlying color and the luminance of the brushstroke color. This method is the opposite of Color. |
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Combines the brushstroke color with the underlying color based on luminance. The parts of the brushstroke that are lighter than the underlying color are visible. The parts that are darker are replaced by the lighter area of the underlying color. |
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Combines colors to create a darker color |
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Works like the Default method; the brushstroke covers the underlying color. |
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Combines colors while preserving the highlights and shadows of the underlying color |
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Translates the brushstroke’s luminance into hue |
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Inverts the colors beneath it |
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Creates a color by combining the luminance and hue of the image color with the saturation of the layer color |
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Combines colors to create a lighter color |
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Blocks light and combines colors while preserving the shadows of the underlying color |
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Darkens or lightens colors depending on the luminance of the underlying color |