fix(theme): update flat variant text colors to be accessible (#3738)

* fix: use accessible text colors for flat variant

* fix: use accessible text colors for flat variant

* chore(changeset): update changeset

---------

Co-authored-by: WK Wong <wingkwong.code@gmail.com>

.changeset/tough-mangos-deliver.md

@@ -0,0 +1,5 @@
+---
+"@nextui-org/theme": patch
+---
+
+Updates the text colors for the flat variant in the theme so that elements using this variant are accessible (#3738)

packages/core/theme/src/utils/variants.ts

@@ -29,12 +29,12 @@ const bordered = {
 };
 
 const flat = {
-  default: "bg-default/40 text-default-foreground",
-  primary: "bg-primary/20 text-primary",
-  secondary: "bg-secondary/20 text-secondary",
-  success: "bg-success/20 text-success-600 dark:text-success",
-  warning: "bg-warning/20 text-warning-600 dark:text-warning",
-  danger: "bg-danger/20 text-danger dark:text-danger-500",
+  default: "bg-default/40 text-default-700",
+  primary: "bg-primary/20 text-primary-700",
+  secondary: "bg-secondary/20 text-secondary-700",
+  success: "bg-success/20 text-success-800 dark:text-success",
+  warning: "bg-warning/20 text-warning-800 dark:text-warning",
+  danger: "bg-danger/20 text-danger-800 dark:text-danger-500",
   foreground: "bg-foreground/10 text-foreground",
 };