You're looking for information on Coolorus 2.5 and its license key. Coolorus is a popular color wheel plugin for Adobe Photoshop, and version 2.5 is one of its iterations. Here's what I found:
If users encounter issues with their Coolorus 2.5 license key, they can: coolorus 2.5 license key
It was the most expensive $20 he had never spent, but he swore he would never search for a shortcut again. Some colors, he realized, were worth paying for. You're looking for information on Coolorus 2