2.5.4.112 Tone

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The Tone function decreases the saturation, as specified in the HSL color space, of a color value.

ABNF:

 Tone = val val " TONE():128"

Required Arguments:

Name: Color

Type: vColor

An argument that specifies the color.

Name: Delta

Type: vSignedInt

An argument that specifies the amount to modify the saturation of Color.

Return Value:

Type: PtgColorRGB

This function returns a PtgColorRGB containing a color value with decreased saturation. If Delta is less than zero, the saturation is increased.