diff --git a/tests/test_constants.py b/tests/test_constants.py
deleted file mode 100644
index 60a15cf..0000000
--- a/tests/test_constants.py
+++ /dev/null
@@ -1,15 +0,0 @@
-from toot.tui.constants import PALETTE, MONO_PALETTE
-
-
-def test_palette():
-    # for every entry in PALETTE, there must be
-    # a corresponding entry in MONO_PALETTE
-    for pal in PALETTE:
-        matches = [item for item in MONO_PALETTE if item[0] == pal[0]]
-        assert len(matches) > 0, f"{pal}, present in PALETTE, missing from MONO_PALETTE"
-
-    # for every entry in MONO_PALETTE, there must be
-    # a corresponding entry in PALETTE
-    for pal in MONO_PALETTE:
-        matches = [item for item in PALETTE if item[0] == pal[0]]
-        assert len(matches) > 0, f"{pal}, present in MONO_PALETTE, missing from PALETTE"
diff --git a/toot/tui/app.py b/toot/tui/app.py
index 833cb0b..9d78b12 100644
--- a/toot/tui/app.py
+++ b/toot/tui/app.py
@@ -8,7 +8,7 @@ from toot.console import get_default_visibility
 from toot.exceptions import ApiError
 
 from .compose import StatusComposer
-from .constants import PALETTE, MONO_PALETTE
+from .constants import PALETTE
 from .entities import Status
 from .overlays import ExceptionStackTrace, GotoMenu, Help, StatusSource, StatusLinks, StatusZoom
 from .overlays import StatusDeleteConfirmation, Account
@@ -84,7 +84,7 @@ class TUI(urwid.Frame):
         screen = TUI.create_screen(args)
         tui = TUI(app, user, screen, args)
 
-        palette = MONO_PALETTE if args.no_color else PALETTE
+        palette = PALETTE.copy()
         overrides = settings.get_setting("tui.palette", dict, {})
         for name, styles in overrides.items():
             palette.append(tuple([name] + styles))
diff --git a/toot/tui/constants.py b/toot/tui/constants.py
index 8e2bddf..91bb3b7 100644
--- a/toot/tui/constants.py
+++ b/toot/tui/constants.py
@@ -1,8 +1,19 @@
-# name, fg, bg, mono, fg_h, bg_h
+# Color definitions are tuples of:
+#   - name
+#   - foreground (normal mode)
+#   - background (normal mode)
+#   - foreground (monochrome mode)
+#   - foreground (high color mode)
+#   - background (high color mode)
+#
+# See:
+# http://urwid.org/tutorial/index.html#display-attributes
+# http://urwid.org/manual/displayattributes.html#using-display-attributes
+
 PALETTE = [
     # Components
     ('button', 'white', 'black'),
-    ('button_focused', 'light gray', 'dark magenta'),
+    ('button_focused', 'light gray', 'dark magenta', 'bold,underline'),
     ('card_author', 'yellow', ''),
     ('card_title', 'dark green', ''),
     ('columns_divider', 'white', 'dark blue'),
@@ -14,7 +25,7 @@ PALETTE = [
     ('footer_status', 'white', 'dark blue'),
     ('footer_status_bold', 'white, bold', 'dark blue'),
     ('header', 'white', 'dark blue'),
-    ('header_bold', 'white,bold', 'dark blue'),
+    ('header_bold', 'white,bold', 'dark blue', 'bold'),
     ('intro_bigtext', 'yellow', ''),
     ('intro_smalltext', 'light blue', ''),
     ('poll_bar', 'white', 'dark blue'),
@@ -22,17 +33,17 @@ PALETTE = [
     ('status_detail_bookmarked', 'light red', ''),
     ('status_detail_timestamp', 'light blue', ''),
     ('status_list_account', 'dark green', ''),
-    ('status_list_selected', 'white,bold', 'dark green'),
+    ('status_list_selected', 'white,bold', 'dark green', 'bold,underline'),
     ('status_list_timestamp', 'light blue', ''),
 
     # Functional
     ('account', 'dark green', ''),
-    ('hashtag', 'light cyan,bold', ''),
-    ('hashtag_followed', 'yellow,bold', ''),
-    ('link', ',italics', ''),
-    ('link_focused', ',italics', 'dark magenta'),
+    ('hashtag', 'light cyan,bold', '', 'bold'),
+    ('hashtag_followed', 'yellow,bold', '', 'bold'),
+    ('link', ',italics', '', ',italics'),
+    ('link_focused', ',italics', 'dark magenta', "underline,italics"),
     ('shortcut', 'light blue', ''),
-    ('shortcut_highlight', 'white,bold', ''),
+    ('shortcut_highlight', 'white,bold', '', 'bold'),
     ('warning', 'light red', ''),
 
     # Visiblity
@@ -48,55 +59,6 @@ PALETTE = [
     ('success', 'dark green', ''),
 ]
 
-MONO_PALETTE = [
-    # Components
-    ('button', 'white', 'black'),
-    ('button_focused', 'black', 'white'),
-    ('card_author', 'white', ''),
-    ('card_title', 'white, bold', ''),
-    ('columns_divider', 'white', 'black'),
-    ('content_warning', 'white', 'black'),
-    ('editbox', 'white', 'black'),
-    ('editbox_focused', 'black', 'white'),
-    ('footer_message', 'white', 'black'),
-    ('footer_message_error', 'white,bold', 'black'),
-    ('footer_status', 'black', 'white'),
-    ('footer_status_bold', 'black,bold', 'white'),
-    ('header', 'black', 'white'),
-    ('header_bold', 'black,bold', 'white'),
-    ('intro_bigtext', 'white', 'black'),
-    ('intro_smalltext', 'white', 'black'),
-    ('poll_bar', 'black', 'white'),
-    ('status_detail_account', 'white', ''),
-    ('status_detail_bookmarked', 'white', ''),
-    ('status_detail_timestamp', 'white', ''),
-    ('status_list_account', 'white', ''),
-    ('status_list_selected', 'white,bold', ''),
-    ('status_list_timestamp', 'white', ''),
-    ('warning', 'white,bold', 'black'),
-
-    # Functional
-    ('account', 'white', ''),
-    ('hashtag_followed', 'white,bold', ''),
-    ('hashtag', 'white,bold', ''),
-    ('link', ',italics', ''),
-    ('link_focused', ',bold,italics', ''),
-    ('shortcut', 'white', ''),
-    ('shortcut_highlight', 'white,bold', ''),
-
-    # Visiblity
-    ('visibility_public', 'white', ''),
-    ('visibility_unlisted', 'white', ''),
-    ('visibility_private', 'white', ''),
-    ('visibility_direct', 'white', ''),
-
-    # Styles
-    ('bold', ',bold', ''),
-    ('dim', 'light gray', ''),
-    ('highlight', ',bold', ''),
-    ('success', '', ''),
-]
-
 VISIBILITY_OPTIONS = [
     ("public", "Public", "Post to public timelines"),
     ("unlisted", "Unlisted", "Do not post to public timelines"),