No worries, hearing about actual use cases like these is useful feedback. “Coldmapping” as we called it was a whole thing 
Here’s some good weekend reading if you’re interested:
https://meta.discourse.org/t/alternative-to-blue-colors-for-coldmapping/18873
It’s interesting to see coloured coldmapping making a comeback in a dark theme though. The “clown vomit” factor (search for it) isn’t nearly as strong here.