fixed highlight groups for lsp highlight

lua/setup/my_lspconfig.lua

@@ -79,11 +79,28 @@ local on_attach = function(client, bufnr)
 
   -- Set autocommands conditional on server_capabilities
   if client.server_capabilities.documentHighlightProvider then
-    vim.api.nvim_exec(
-      [[
-      hi LspReferenceRead cterm=bold ctermbg=red guibg=DarkGreen
-      hi LspReferenceWrite cterm=bold ctermbg=red guibg=DarkRed
-      ]], false)
+    vim.api.nvim_set_hl(
+      0,
+      "LspReferenceText",
+      { bold = true,
+        ctermbg = 'red',
+        bg = 'DarkOrange',
+        fg = 'black' }
+    )
+    vim.api.nvim_set_hl(
+      0,
+      "LspReferenceRead",
+      { bold = true,
+        ctermbg = 'red',
+        bg = 'DarkGreen' }
+    )
+    vim.api.nvim_set_hl(
+      0,
+      "LspReferenceWrite",
+      { bold = true,
+        ctermbg = 'red',
+        bg = 'DarkRed' }
+    )
     vim.api.nvim_create_augroup("lsp_document_highlight", { clear = true })
     vim.api.nvim_clear_autocmds { buffer = bufnr, group = "lsp_document_highlight" }
     vim.api.nvim_create_autocmd("CursorHold", {