Adwaita: error labels insensitive & backdrop states

- address colored labels for the two states

See https://gitlab.gnome.org/GNOME/gtk/-/issues/3063#note_891618

diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index a4783877f183b5b6120ab664d424aaeb0ff5e3f5..8ab52c80108590ee1228e16611413e03811eb6ac 100644 (file)
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -180,7 +180,7 @@ label {
 
   &.error {
    color: $error_color;
-   &:disabled { color: $insensitive_fg_color; }
+   &:disabled { color: transparentize($error_color,0.5); }
   }
 }