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Hex.Hue

Extracts the hue component from a HEX color

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

INT64 Hue value (0-360)

EvaluationContext.Colour.Hex.Hue("#FF0000") // Returns 0

EvaluationContext.Colour.Hex.Hue =
    (
        hexColor: STRING
    ) =>

        VAR CleanHex = IF( LEFT( hexColor, 1) = "#", MID(hexColor, 2, 6), MID( hexColor, 1, 6 ) )
        VAR R = EvaluationContext.Colour.Hex.ToInt( MID( CleanHex, 1, 2 ) )
        VAR G = EvaluationContext.Colour.Hex.ToInt( MID( CleanHex, 3, 2 ) )
        VAR B = EvaluationContext.Colour.Hex.ToInt( MID( CleanHex, 5, 2 ) )

        VAR Mx = MAX( MAX( R, G ), B)
        VAR Mn = MIN( MIN( R, G ), B)
        VAR Delta = Mx - Mn

        VAR H =
            SWITCH(
                true,
                Delta = 0, 0,
                Mx = R, MOD( ( G - B ) / Delta, 6),
                Mx = G, ( ( B - R ) / Delta ) + 2,
                Mx = B, ( ( R - G ) / Delta ) + 4
            ) * 60

        VAR result = ROUND(H, 0)

        RETURN result