Hue, Saturation and Brightness (HSB)

A color can be expressed as a combination of hue, saturation and brightness (sometimes also referred to as value). The hue component determines if it's a blue, brown, yellow etc. color whilst the saturation component determines how clear the color is. A black, white or gray color has no saturation but a rich red has plenty. The brightness component determines how light or dark the color is.

HSB and RGB comparison modes

Norrkross Tint works by comparing color values in the source image with the colors of the color adjustments. This can be done in two ways; As RGB (default) or as HSB. When comparing RGB the difference in red, green and blue components of the colors are used whilst the HSB method compares the difference of the hue, saturation and brightness are compared instead. Similarly the the changes are made using the RGB or the HSB components of the colors. You can choose which method to use in the Type column.

Changing HSB values

The Mac OS X standard color panel that is used in Tint supports HSB color picking. This can be a very powerful, yet easy way to control the target colors in Tint. Search Mac Help for help about the color panel

Making Tint ignore hue, saturation or brightness

You can make a color adjustment apply to all colors that share the same hue, - regardless of the saturation or brightness. This is useful when you want to make all cyan colors red, or similar. You need to do two things:

1. Set the "Type" column to HSB.
2. Click the switch boxes in the columns you want to disable.

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Transparency (alpha)
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