Rawtherapee Editor Only Shows Black and White

I was using RawTherapee to tweak a TIFF image, when the editor window suddenly shifted to only black and white. The actual image it’s editing remains in color, but it’s kinda hard to see what you’re doing with saturation and white balance when you can’t see colors.
Anyone have this happen to them? Why’d it happen, and how do I change it back?

Hi @Ghporter! Did you activate one of the channel preview options without noticing?

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I may have. But - since I hadn’t thought to do it before posting - after closing then restarting RawTherapee, the issue was gone.
I don’t know what I did to change things. I was trying to edit EXIF data when it happened, and may have inadvertently used a hot key combination.
Thanks for the reply.