Make brightness function behave like other implementations #1312
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closes #1273
Release Notes
This PR changes the
brightness
function to behave like the css brightness function and other implementations. Previously it was doing something odd. Instead of multiplying the color channel by the multiplier value, it multiplied against the inversion of the current color.In the current version a value of
1
won't change the colors at all. Values above 1 will brighten the colors, values below 1 will darken the colors.