GrowFX 2.0 User Manual

Vertex color Blend Modes

All Vertex color nodes support the following blending modes:


  • Normal The current color completely overwrites the base color. This is the default setting.
  • Darken Whichever color is darker, the current color or the base, is used as the output.
  • Multiply Each RGB channel is moved towards zero, depending on the current color. The result is at least as dark (never brighter) than the original. White is transparent in this mode.
  • Color Burn Emulates the effect of "burning" a color print in a darkroom; the result is at least as dark (never brighter) than the original. For each RGB channel, if the current color is zero in that channel, the output channel will be zero. Even if the current value is above zero, the output is still be strongly darkened in that channel. For example, a medium-red current color will significantly reduce blue and green brightness in the output.
  • Linear Burn Same as Color Burn but with less contrast.
  • Lighten Whichever color is brighter, the current or the base, is used as the output.
  • Screen Each RGB channel is moved towards full brightness, depending on the current color. The result is at least as bright (never darker) than the original. Black is transparent in this mode.
  • Color Dodge Emulates the effect of "dodging" a color print in a darkroom; the result is at least as bright (never darker) than the original. For each RGB channel, if the current color is at full value in that channel, the output channel will be at full value. Even if the current value is less then full value, the output is still strongly brightened in that channel. For example, a medium-red current color will add a significant red brightness to the output.
  • Linear Dodge Same as Color Dodge but with lower contrast.
  • Overlay The color cast is shifted towards the current color and contrast might be increased. It's useful when you want to make an object appear a different color but in the same lighting conditions. A fully bright or dark channel is never affected however, so if Red=100% and Green=0% in the base color, then neither the red nor green channels can be affected by the current color.
  • Soft Light Very similar to Overlay, but even more gentle, and it does not tend to increase contrast as much.
  • Hard Light More like Normal mode than Overlay, it will change color cast somewhat. It is fairly destructive like Normal mode, especially with bright current colors.
  • Vivid Light Brighter current colors produce a Color Dodge effect, while darker current colors produce a Color Burn effect, although the effect is generally weaker than Dodge or Burn.
  • Linear Light For each RGB channel, if the current color is more than 50% bright in that channel, the output will be brightened, and if the current color is less then 50% bright, the output will be darkened. As an example, if you want the top of your image to be twice as bright, and the bottom to be half as bright, use a gradient from 75% gray to 25% gray, top to bottom.
  • Pin Light Replaces colors depending on the brightness of the current color. If the current color is lighter than mid-gray and the base color is darker than the current color, then the base color is replaced with the current color. If the current color is darker than mid-gray and the base color is lighter than the current color, then the base color is replaced with the current color.
  • Difference For each pixel pair, subtracts the darker one from the brighter one.
  • Exclusion Similar to Difference but with lower contrast.
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