Custom Theme Data Colors not in Proper Order

Hi all,

I'm using PowerBI Desktop (January 2020) for Report Server. I have a dashboard that pulls flat data from a single table, with multiple data types represented in multiple visualizations, i.e. one visualization shows Research in Millions of Dollars from 2013 - 2018, one visualization shows Doctoral Graduation Rates from 2013 - 2018, and so on.

My issue is that some visualizations also are showing 2012, but 2012 is now the darkest shade of blue, which is inconsistent with the rest of the visualizations having darker colors for more recent years. 

I was wondering if anyone could help me order these colors correctly. I've tried using a Conditional Column to order my color scheme, as was done in this post by v-lili6-msft, but it appears I cannot select Field Data Color, and then select Modeling -> Sort by Column. I thought this might be due to the edition of PowerBI I was using.

Thanks!