Color struct

public struct Color
{
    public byte A, R, G, B;
    public const uint White = 0x000000FF;
    public const uint Green = 0x00FF00FF;
    public const uint Red = 0xFF0000FF;
    public const uint Blue = 0x0000FFFF;

    /// <summary>
    /// Creates a Color structure from the four ARGB component (alpha, red, green, and blue) values.
    /// </summary>
    /// <param name="a">The Alpha (opacity) value of the color.</param>
    /// <param name="r">The Red value of the color.</param>
    /// <param name="g">The Green value of the color.</param>
    /// <param name="b">The Blue value of the color.</param>
    public Color(float a, float r, float g, float b)
    {
        A = (byte)(a * 255);
        R = (byte)(r * 255);
        G = (byte)(g * 255);
        B = (byte)(b * 255);
    }

    /// <summary>
    /// Creates a Color structure from the four ARGB component (alpha, red, green, and blue) values.
    /// </summary>
    /// <param name="a">The Alpha (opacity) value of the color.</param>
    /// <param name="r">The Red value of the color.</param>
    /// <param name="g">The Green value of the color.</param>
    /// <param name="b">The Blue value of the color.</param>
    public Color(byte a, byte r, byte g, byte b)
    {
        A = a;
        R = r;
        G = g;
        B = b;
    }

    public override string ToString()
    {
        return "0x" + string.Format("{0:x}", (uint)this).ToUpper();
    }

    public static implicit operator uint(Color color)
    {
        return System.BitConverter.ToUInt32(new byte[] { color.A, color.B, color.G, color.R }, 0);
    }

    public static implicit operator Color(uint uColor)
    {
        Color color = new Color();
        byte[] bytes = System.BitConverter.GetBytes(uColor);
        color.A = bytes[0];
        color.B = bytes[1];
        color.G = bytes[2];
        color.R = bytes[3];
        return color;
    }
}