Restore &background's value in case changing hl-Normal changed it.
diff --git a/colors/paramount.vim b/colors/paramount.vim
index 5441c1a..06d1f4e 100644
--- a/colors/paramount.vim
+++ b/colors/paramount.vim
@@ -46,6 +46,8 @@ let s:light_purple = { "gui": "#a790d5", "cterm": "140" }
let s:yellow = { "gui": "#F3E430", "cterm": "11" }
let s:dark_yellow = { "gui": "#A89C14", "cterm": "3" }
+let s:background = &background
+
if &background == "dark"
let s:bg = s:black
let s:bg_subtle = s:lighter_black
@@ -83,6 +85,12 @@ function! s:h(group, style)
endfunction
call s:h("Normal", {"bg": s:bg, "fg": s:norm})
+
+" restore &background's value in case changing Normal changed &background (:help :hi-normal-cterm)
+if &background != s:background
+ execute "set background=" . s:background
+endif
+
call s:h("Cursor", {"bg": s:purple, "fg": s:norm })
call s:h("Comment", {"fg": s:bg_subtle, "gui": "italic"})