Does anyone have the same problems?
See, for instance, in the first screenshot, 
Textideen & 
Reflexionen. And in the second one: 1. Theorie & the tag “reading”. All of it should be yellow. Other colours - e.g. 
Projekte (Archiv) in the first screenshot - do also not show as they should.
I know that in dark mode, colours might be different than in ‘normal’ mode. But this seems to be a bug, as it concerns more or less all emojis and highlights.
Windows 11, lates update / RemNote 1.5.3