Switch default accent to deep teal

styles/tokens.css

@@ -79,26 +79,32 @@
 }
 
 /*
- * Accent — the FREE, swappable layer (doc §3.3). Indigo is the default and is
+ * Accent — the FREE, swappable layer (doc §3.3). Deep teal is the default and is
  * defined on :root / [data-theme='dark'] so `--accent` always resolves even with
  * no `[data-accent]` attribute. The alternates below are opt-in; an accent
  * switcher arrives with Settings in M5. Brighter values on the dark canvas keep
- * accent-on-bg and text-on-accent contrast within AA.
+ * accent-on-bg and text-on-accent contrast within AA (all values verified AA in
+ * both themes — see the candidate showcase that picked teal).
  */
 :root {
-  --accent: #5b54e6;
-  --accent-hover: #4a43d6;
+  --accent: #0e7490;
+  --accent-hover: #0c5f77;
   --accent-contrast: #ffffff;
 }
 [data-theme='dark'] {
-  --accent: #8b85f0;
-  --accent-hover: #a29bf5;
+  --accent: #2dd4bf;
+  --accent-hover: #5eead4;
   --accent-contrast: #161616;
 }
 
-[data-accent='teal'] {
-  --accent: #0f766e;
-  --accent-hover: #0c5f59;
+[data-accent='blue'] {
+  --accent: #0f62fe;
+  --accent-hover: #0353e9;
+  --accent-contrast: #ffffff;
+}
+[data-accent='indigo'] {
+  --accent: #5b54e6;
+  --accent-hover: #4a43d6;
   --accent-contrast: #ffffff;
 }
 [data-accent='amber'] {
@@ -111,9 +117,14 @@
   --accent-hover: #9f1239;
   --accent-contrast: #ffffff;
 }
-[data-theme='dark'][data-accent='teal'] {
-  --accent: #2dd4bf;
-  --accent-hover: #5eead4;
+[data-theme='dark'][data-accent='blue'] {
+  --accent: #78a9ff;
+  --accent-hover: #a6c8ff;
+  --accent-contrast: #161616;
+}
+[data-theme='dark'][data-accent='indigo'] {
+  --accent: #8b85f0;
+  --accent-hover: #a29bf5;
   --accent-contrast: #161616;
 }
 [data-theme='dark'][data-accent='amber'] {