Skins/color scheme without contrast. Beautiful, but unusable. Rated 1 out of 5 stars

OMG firefox upgtraded, and now I have this. Functionality is probably ok, but regardless of the color scheme I choose it is well nigh impossible to read the text in the UI clearly. Much too little contrast, like nothing I have ever seen before. Beautiful, if you like lightly brushed water-colors and something nice to look at. But not really usable. Going to search for another rest client.

This review is for a previous version of the add-on (2.0.0). 

You are right, I will try to improve the UI in future release.