1. System.Drawing.Color clrUnEnable = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(255)))), ((int)(((byte)(204)))));
2. this._txt_input_9.BackColor = ColorTranslator.FromHtml("&HE0E0E0")
原文：https://www.cnblogs.com/-jwj/p/11761013.html