Status Chart Not Displaying Assigned Colors

I’m trying to set up a simple status chart that will display Uptime, Line Downtime, and Machine Downtime. I am providing the chart with a historian tag binding with possible values of 1 = up, 2 = line down, 3 = machine down.

You can see the dataset never contains a “line down = 2” entry. Only values of 0 and 3 are recorded. Yet the status bar is incorrectly showing yellow.

These are the associated colors:

Am I using this chart correctly? Or am I missing something?