Based on: <a href="https://en.wikipedia.org/wiki/image:CIExy1931.png" class="extiw" title="en:image:CIExy1931.png">CIExy1931</a>
As a replacement for an existing image with an unclear copyright status. The image highlights the sRGB gamut.  The description of that image follows:
<a href="https://en.wikipedia.org/wiki/User:Hankwang" class="extiw" title="wikipedia:User:Hankwang">Hankwang</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
6 May 2006 (original upload date)
Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons by <a href="//commons.wikimedia.org/wiki/User:Aboalbiss" title="User:Aboalbiss">Aboalbiss</a>.