2 files changed, 27 insertions, 10 deletions
diff --git a/src/alf/atoms.ts b/src/alf/atoms.ts
index f75e8ffe0..18f492d6e 100644
--- a/src/alf/atoms.ts
+++ b/src/alf/atoms.ts
@@ -176,43 +176,59 @@ export const atoms = {
   },
   text_2xs: {
     fontSize: tokens.fontSize._2xs,
+    letterSpacing: 0.25,
   },
   text_xs: {
     fontSize: tokens.fontSize.xs,
+    letterSpacing: 0.25,
   },
   text_sm: {
     fontSize: tokens.fontSize.sm,
+    letterSpacing: 0.25,
   },
   text_md: {
     fontSize: tokens.fontSize.md,
+    letterSpacing: 0.25,
   },
   text_lg: {
     fontSize: tokens.fontSize.lg,
+    letterSpacing: 0.25,
   },
   text_xl: {
     fontSize: tokens.fontSize.xl,
+    letterSpacing: 0.25,
   },
   text_2xl: {
     fontSize: tokens.fontSize._2xl,
+    letterSpacing: 0.25,
   },
   text_3xl: {
     fontSize: tokens.fontSize._3xl,
+    letterSpacing: 0.25,
   },
   text_4xl: {
     fontSize: tokens.fontSize._4xl,
+    letterSpacing: 0.25,
   },
   text_5xl: {
     fontSize: tokens.fontSize._5xl,
+    letterSpacing: 0.25,
   },
   leading_tight: {
     lineHeight: 1.15,
   },
   leading_snug: {
-    lineHeight: 1.25,
+    lineHeight: 1.3,
   },
   leading_normal: {
     lineHeight: 1.5,
   },
+  tracking_normal: {
+    letterSpacing: 0,
+  },
+  tracking_wide: {
+    letterSpacing: 0.25,
+  },
   font_normal: {
     fontWeight: tokens.fontWeight.normal,
   },
diff --git a/src/alf/util/useColorModeTheme.ts b/src/alf/util/useColorModeTheme.ts
index 48cf904fe..4f8921bf9 100644
--- a/src/alf/util/useColorModeTheme.ts
+++ b/src/alf/util/useColorModeTheme.ts
@@ -13,7 +13,7 @@ export function useColorModeTheme(): ThemeName {
   React.useLayoutEffect(() => {
     const theme = getThemeName(colorScheme, colorMode, darkTheme)
     updateDocument(theme)
-    updateSystemBackground(theme)
+    SystemUI.setBackgroundColorAsync(getBackgroundColor(theme))
   }, [colorMode, colorScheme, darkTheme])
 
   return React.useMemo(
@@ -42,23 +42,24 @@ function updateDocument(theme: ThemeName) {
   if (isWeb && typeof window !== 'undefined') {
     // @ts-ignore web only
     const html = window.document.documentElement
+    // @ts-ignore web only
+    const meta = window.document.querySelector('meta[name="theme-color"]')
+
     // remove any other color mode classes
     html.className = html.className.replace(/(theme)--\w+/g, '')
-
     html.classList.add(`theme--${theme}`)
+    // set color to 'theme-color' meta tag
+    meta?.setAttribute('content', getBackgroundColor(theme))
   }
 }
 
-function updateSystemBackground(theme: ThemeName) {
+function getBackgroundColor(theme: ThemeName): string {
   switch (theme) {
     case 'light':
-      SystemUI.setBackgroundColorAsync(light.atoms.bg.backgroundColor)
-      break
+      return light.atoms.bg.backgroundColor
     case 'dark':
-      SystemUI.setBackgroundColorAsync(dark.atoms.bg.backgroundColor)
-      break
+      return dark.atoms.bg.backgroundColor
     case 'dim':
-      SystemUI.setBackgroundColorAsync(dim.atoms.bg.backgroundColor)
-      break
+      return dim.atoms.bg.backgroundColor
   }
 }