basic setup

styles/_themes.scss

@@ -0,0 +1,11 @@
+@use 'sass:color';
+
+:root {
+    @each $name, $theme in getThemes() {
+        .theme-#{$name} {
+            @each $name, $color in $theme {
+                --theme-#{$name}: #{$color};
+            }
+        }
+    }
+}