Can use "color" for label in "choices" sheet?

[Kal_Lam]

Welcome back to the community, @shoshka! This post should answer your query:

Form styling super- or subscript and color

You may have a look here https://docs.getodk.org/form-styling/ As far as I know, “Styling is not yet supported in web form choice labels.”. You can find more through the famous search function of this forum, e.g. Modify font color and family - #11 by Josh.