CODE EXAMPLE FOR CSHARP

c# hex to console color

public static ConsoleColor FromHex(string hex)
    {
        int argb = Int32.Parse(hex.Replace("#", ""), NumberStyles.HexNumber);
        Color c = Color.FromArgb(argb);
        
        int index = (c.R > 128 | c.G > 128 | c.B > 128) ? 8 : 0; // Bright bit
        index |= (c.R > 64) ? 4 : 0; // Red bit
        index |= (c.G > 64) ? 2 : 0; // Green bit
        index |= (c.B > 64) ? 1 : 0; // Blue bit
        
        return (System.ConsoleColor)index;
    }