diff --git a/color-test.sh b/color-test.sh
new file mode 100755
index 0000000..2e3bc8d
--- /dev/null
+++ b/color-test.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+# Based on: https://gist.github.com/XVilka/8346728
+
+awk -v columns=$(tput cols || echo 80) 'BEGIN{
+    for (column = 0; column<columns; column++) {
+        r = (column*255/columns);
+        g = (column*255/columns);
+        b = (column*255/columns);
+        printf "\033[48;2;%d;%d;%dm", r,g,b;
+        printf "%s\033[0m", " ";
+    }
+    printf "\n\n";
+    for (column = 0; column<columns; column++) {
+        r = 255-(column*255/columns);
+        g = (column*510/columns);
+        b = (column*255/columns);
+        if (g>255) g = 510-g;
+        printf "\033[48;2;%d;%d;%dm", r,g,b;
+        printf "%s\033[0m", " ";
+    }
+}'
diff --git a/zshrc.zsh b/zshrc.zsh
index 9d62865..940b167 100644
--- a/zshrc.zsh
+++ b/zshrc.zsh
@@ -132,7 +132,7 @@ activate_homebrew() {
 ################################################################################
 
 install_cli_tools() {
-  brew_install_or_upgrade git fd ripgrep fzf htop jq gnupg tmux
+  brew_install_or_upgrade git fd ripgrep fzf htop jq gnupg tree tmux
   # Install fzf key bindings
   $(brew --prefix fzf)/install --key-bindings --completion --no-update-rc --no-bash --no-fish
   ln -s $MYZSH_INSTALLED_DIR/tmux.conf $HOME/.tmux.conf
@@ -160,7 +160,6 @@ activate_cli_tools () {
 
 install_antigen() {
   brew_install_or_upgrade antigen
-  # git_install_or_update $ANTIGEN_DIRECTORY "zsh-users/antigen.git"
   activate_antigen
 }