using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Bowin.Common.Utility { public static class ColorHelper { public static string ToRGBString(this System.Drawing.Color color) { var hexString = string.Format("{0:X}", color.R).PadLeft(2, '0') + string.Format("{0:X}", color.G).PadLeft(2, '0') + string.Format("{0:X}", color.B).PadLeft(2, '0'); return hexString; } } }