IFClite TypeScript API
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    Interface SurfaceStyleColor

    An RGB colour with channels in 0..1.

    interface SurfaceStyleColor {
        alpha?: number;
        blue: number;
        green: number;
        red: number;
    }
    Index
    alpha?: number

    1 is opaque. Written as IfcSurfaceStyleShading.Transparency = 1 - alpha.

    blue: number
    green: number
    red: number