diff --git a/README.md b/README.md
index 290a83c..8df4aed 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@
 - [x] Migrate zsh to [zinit](https://github.com/zdharma/zinit)
 - [x] Wayland compositors
 - [x] New Neovim config in Lua
+    - [ ] OneDark highlight groups
 - [ ] ~~[ion](https://github.com/redox-os/ion)~~ / [oksh](https://github.com/ibara/oksh) / [nushell](https://www.nushell.sh/) / [oil](https://www.oilshell.org/) / [xonsh](https://xon.sh/) / ~~[elvish](https://elv.sh/)~~ / [oh](https://github.com/michaelmacinnis/oh)
 - [ ] NixOS / Guix / Gentoo / FreeBSD
 - [ ] Independent ~/.emacs.d
diff --git a/home/.config/nvim/lua/colors/nord.lua b/home/.config/nvim/lua/colors/nord.lua
index f67c2a4..12ce2d0 100644
--- a/home/.config/nvim/lua/colors/nord.lua
+++ b/home/.config/nvim/lua/colors/nord.lua
@@ -226,7 +226,33 @@ end
 
 -- LSP groups
 local function highlight_lsp()
-    -- TODO
+    hi('LspDiagnosticsDefaultError', c.red, '', '', '')
+    hi('LspDiagnosticsSignError', c.red, '', '', '')
+    hi('LspDiagnosticsFloatingError', c.red, '', '', '')
+    hi('LspDiagnosticsVirtualTextError', c.red, '', 'italic', '')
+    hi('LspDiagnosticsUnderlineError', '', '', 'undercurl', c.red)
+
+    hi('LspDiagnosticsDefaultWarning', c.yellow, '', '', '')
+    hi('LspDiagnosticsSignWarning', c.yellow, '', '', '')
+    hi('LspDiagnosticsFloatingWarning', c.yellow, '', '', '')
+    hi('LspDiagnosticsVirtualTextWarning', c.yellow, '', 'italic', '')
+    hi('LspDiagnosticsUnderlineWarning', '', '', 'undercurl', c.yellow)
+
+    hi('LspDiagnosticsDefaultInformation', c.blue, '', '', '')
+    hi('LspDiagnosticsSignInformation', c.blue, '', '', '')
+    hi('LspDiagnosticsFloatingInformation', c.blue, '', '', '')
+    hi('LspDiagnosticsVirtualTextInformation', c.blue, '', 'italic', '')
+    hi('LspDiagnosticsUnderlineInformation', '', '', 'undercurl', c.blue)
+
+    hi('LspDiagnosticsDefaultHint', c.cyan, '', '', '')
+    hi('LspDiagnosticsSignHint', c.cyan, '', '', '')
+    hi('LspDiagnosticsFloatingHint', c.cyan, '', '', '')
+    hi('LspDiagnosticsVirtualTextHint', c.cyan, '', 'italic', '')
+    hi('LspDiagnosticsUnderlineHint', '', '', 'undercurl', c.cyan)
+
+    hi('LspReferenceText', c.fg, c.grey_bright, '', '')
+    hi('LspReferenceRead', c.fg, c.grey_bright, '', '')
+    hi('LspReferenceWrite', c.fg, c.grey_bright, '', '')
 end
 
 -- Specify groups for plugins