We had a request from a user who wanted the ability to assign specific colors, based on urgency or impact, to bar graphs or lines in analytics and the dashboard widgets. We think this would be impactful for sharing data in dashboard widgets to explain the impact open and aged tickets could be for performance metrics. This also allows anyone who may have certain types of color blindness to choose different colors for their own db widgets and reports.
Maybe just the typical pop up with color selection, RGB values, or Hex value (#FF0000).