A while back someone had made darker colors for the market.
This however, had 2 problems. It was missing tiles (meaning there were white spots) and they simply inverted the colors meaning the grass turned a bright purple.
I have taken the time to do the job correctly.
Simply copy the data folder from the rar to the conquer online folder.
(You don't even have to sign out when you do this)
Don't forget to scan
Download: