500px x 500px version of standard SMPTE Color Bars with no EXIF data. Useful for small, square screens found on some mobile devices and as an avatar that is difficult for facial recognition programs to interpret. At 712 bytes, it can be used as a test image that uses a minimum of memory / bandwidth.
<a href="//commons.wikimedia.org/wiki/User:Guy_Macon" title="User:Guy Macon">Guy Macon</a>
<span class="int-own-work" lang="en">Own work</span>