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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

function '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