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# Blending modes

Most tools can have a blending mode specified for them. A blending mode controls how the effects of tools in the tool stack blend together to form the final photo. In order to understand blending modes, there are a few terms to know:

Grund farve
  This is the color of a pixel before a tool's effect has been applied to the photo.
Blend color
  This is the color of a pixel after a tool's effect has been applied to the photo.
Resulterende farve
  This is the color of a pixel after its base and blend colors have been blended together using a blending mode.

This is illustrated in the figure below. First, as shown by the green arrows, the base colors of a photo have a tool's effect applied to them producing the blend colors. Second, as shown by the red arrows, the base and blend colors are blended together using a blending mode producing the result colors.

There are many blending modes to choose from. While descriptions for each are below, it's best to experiment.

Normal
  This blending mode has no effect; therefore, the blend and result colors are the same.
Gennemsnitlig
  This is the same as the Normal blending mode but at 50% opacity.
Brænd farve
  Darkens the base color to reflect the blend color by increasing contrast. (Opposite of Color Dodge. See also: Soft Burn.)
Undgå farve
  Brightens the base color to reflect the blend color by decreasing contrast. (Opposite of Color Burn.)
Gør mørkere
  The result color is either the base or blend color, whichever is darker. (Opposite of Lighten.)
Forskel
  Subtracts either the blend color from the base color or the base color from the blend color depending on whichever is brighter. (See also: Exclusion.)
Udelukkelse
  Creates an effect similar to, but lower in contrast than, the Difference blending mode. (See also: Negation.)
Hårdt lys
  This blending mode multiplies or screens the colors, depending on the blend color. If the blend color is lighter than 50% gray, the color is lightened (screened); if the blend color is darker than 50% gray, the color is darkened (multiplied). This is useful for adding highlights or shadows to an image.
Gør lysere
  The result color is either the base or blend color, whichever is lighter. (Opposite of Darken.)
Mellemtoner
  This blending mode is the same as the Normal blending mode except that the effect is applied only to midtones.
Mellem+Højlys
  This blending mode is the same as the Normal blending mode except that the effect is applied only to midtones and highlights.
Multiplicer
  This blending mode multiplies the base and blend colors. Den resulterende farve er altid mørkere The effect is similar to drawing on the image with multiple marking pens. (See also: Screen.)
Omvending
  This blending mode is similar to the Exclusion blending mode except that it shows brighter and more vibrant colors.
Læg over
  Multiplies or screens the colors depending on the base color. Patterns or colors overlay existing pixels while preserving the highlights and shadows of the base color. The base color is not replaced, but is mixed with the blend color to reflect the relative lightness or darkness of the original color.
Skærm
  This blending mode is similar to the Multiply blending mode except that it multiplies the inverse of the blend and base colors. The result color is always lighter. The effect is similar to projecting multiple photographic slides onto the same screen.
Skygge
  This blending mode causes only the shadows to be affected.
Brænd blødt
  This blending mode is similar to the Color Burn blending mode except that the effect results in less saturation and contrast.
Undgå blødt
  This blending mode is a combination of both the Color Dodge and inverse Color Burn modes, but much smoother than either. The base colors are darkened slightly with very bright blend colors dodged in.
Blødt lys
  This blending mode darkens or lightens the colors depending on the blend color. The effect is similar to shining a diffused spotlight on the image. If the blend color is lighter, the image is lightened as if it were dodged; if the blend color is darker, the image is darkened as if it were burned in.