Why is System.Drawing.Color not an enum
<p>Why is <code>System.Drawing.Color</code> a <a href="https://msdn.microsoft.com/nl-nl/library/ah19swz4.aspx" rel="noreferrer">struct</a> and <code>System.ConsoleColor</code> an <a href="https://msdn.microsoft.com/en-us/library/sbbt4032.aspx" rel="noreferrer">enum</a> ?</p>