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Hex.Alpha

Extracts the alpha component from a hex color

EvaluationContext.Colour.Hex.Alpha( hexColor )
Parameter Type Required Description
hexColor STRING The hex color to evaluate (e.g., "#01B8AA")

DOUBLE Alpha value (0-1)

EvaluationContext.Colour.Hex.Alpha("#5E81AC") // Returns 0.6

function 'EvaluationContext.Colour.Hex.Alpha' =
        (
            hexColor: STRING
        ) =>

            VAR CleanHex = IF( LEFT( hexColor, 1) = "#", MID( hexColor, 2, 8), MID( hexColor, 1, 8 ) )
            VAR AlphaHex = IF( LEN( CleanHex ) = 8, MID( CleanHex, 7, 2 ), "FF" )
            VAR Alpha = EvaluationContext.Colour.Hex.ToInt( AlphaHex )
            VAR result = ROUND( Alpha / 255, 4 )

            RETURN result