I propose some kind of selected indicator for the applied theme (screen 1 & 2 as before after): current "tile" dark bg color is #0F0F0F (0, 0%, 6% in hsl), lightness can be adjusted a bit to 8-10
#Highlight Applied Theme
sand relic
For the current light theme (current bg - #f2f4f7 (hsl - 216, 24%, 96%) here lightness can be decreased by 4-8% and we fine. Working with "theme related" colors is easier with hsl
