Note: this info is based on an internal how-to conversation which we thought might benefit others in the Community!]

In order to ensure your Scorecard measures display in Red, Yellow, Green (RYG), make sure Scorecards is the first filter. Adding the Scorecards filter in another position might create measures that display in different color combinations other than RYG.
 

For some constructs in Gainsight (such as CTA types) there are reporting colors that are more broad than just (RYG). For example, when adding different measure filters (or changing the order in which they are applied), you could end up with Red, Purple, Pink, Blue as shown below:

For more information on Scorecards, see this article. For more information on Reporting, see this article.