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Operator Type: 

Operator Scope of Action: 

Operator Purpose: 

Operator First Added: 

Operator Last Altered: 

 Property  [other Property type actions]

 Item  [operators of similar scope]

 Color  [other Color operators]


 As at baseline

Syntax note: Operators without any defined mandatory arguments may omit their empty closing parentheses



This property sets or returns the value of the blue channel of an RGB colour. The value may be set with a number (0–255) or hex number (#00–#ff). The return value (if coerced to a string or number) is always a number, i.e. 255 and not #ff. By comparison the rgb() operator requires that the values for all three colour channels be set. Examples:

$MyColor.blue = 255; 

$MyColor.blue = "#ff"; 

$MyOtherColor.green = $MyColor.blue; (value of $MyOtherColor green channel is that of $MyColor blue channel)

$MyNumber = $MyColor.blue;  (gives 255)

$MyString = $MyColor.blue;  (gives "255")