EvaluationContext.Colour.Hex.Hue

Extracts the hue component from a HEX color

Syntax

EvaluationContext.Colour.Hex.Hue(hexColor)

Parameters

Parameter	Type	Required	Description
hexColor	STRING	Yes	The hex color to evaluate (e.g., “■ #01B8AA”)

Returns

(INT64) Hue value (0-360)

Example

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

Definition

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