By colour marker, do you mean labels? If so, this is not currently possible- the colors are limited to what you see, however you can reuse colors by giving them a different name.
You might also consider sending an email to 'email@example.com' to suggest they add additional label colors.
Badges are a great way to show off community activity, whether you’re a newbie or a Champion.Learn more
As a Jira power user, I was at first doubtful that Trello could benefit my workflow. Jira already uses boards (ones you can customize!), so why would I even need to use Trello?! In this post you will...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs