Int32 IPoint3D.Color { get; set; }
Gets or sets the RGB color. (0xff0000 for red, 0x00ff00 for green, and 0x0000ff for blue).
The color can be set with the following notation: Color = (Red<<16) + (Green<<8) + Blue.
(Each channel (Red, Green and Blue) have value between 0 and 255).
Examples
To set a light blue:
red = 173
green = 216
blue = 230
Color = (red<<16) + (green<<8) + blue