OpenXML: Converting Excel Theme Color and Tint value to RGB valueProblem: I was needed to import Excel data with rich text format and display in WPF grid. From RunProperties of OpenXml api I used to get all type of properties like Bold, Italic , Underline, Color. But there have two types of colors : Theme Color and another RGB color. But Theme color is specific to Office and depends on theme. There have 10 sets of color for Excel 2007. First Row contains 10 co
