Color operators

These operators let rules and actions manipulate color attribute values. It can often convenient to tie the color of a note to its properties - for example, to make overdue tasks bright red. For example, you can make overdue notes red, with a brightness proportional to how overdue they are.

Note that when setting a shade of a named color in a string the shade value (lighter, darkest, etc.) comes before the color, unlike listings in Info view and the Rename dialog; thus "dark warm gray" not "warm gray dark", "light cyan" not "cyan light".

• brightness(color)
• brightness(color,value)
• hue(color)
• hue(color,value)
• rgb(red,green,blue)
• saturation(color)
• saturation(color,value)

For example

rgb($MyRed,255,255) 

$Color = brightness(hue(RGB(255,0,0),120),75) 

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