diff --git a/zsh-syntax-highlighting.sh b/zsh-syntax-highlighting.sh
index daca9fe..c456703 100644
--- a/zsh-syntax-highlighting.sh
+++ b/zsh-syntax-highlighting.sh
@@ -12,6 +12,7 @@
 # Paste this files contents inside your ~/.zshrc before you activate zsh-syntax-highlighting
 ZSH_HIGHLIGHT_HIGHLIGHTERS=(main cursor)
 typeset -gA ZSH_HIGHLIGHT_STYLES
+if [[ "$COLORTERM" == "truecolor" ]]; then
 # Default groupings per, https://spec.draculatheme.com, try to logically separate
 # possible ZSH_HIGHLIGHT_STYLES settings accordingly...?
 #
@@ -88,3 +89,71 @@ ZSH_HIGHLIGHT_STYLES[redirection]='fg=#F8F8F2'
 ZSH_HIGHLIGHT_STYLES[arg0]='fg=#F8F8F2'
 ZSH_HIGHLIGHT_STYLES[default]='fg=#F8F8F2'
 ZSH_HIGHLIGHT_STYLES[cursor]='standout'
+else
+## General
+### Diffs
+### Markup
+## Classes
+## Comments
+ZSH_HIGHLIGHT_STYLES[comment]=fg=103
+## Constants
+## Entitites
+## Functions/methods
+ZSH_HIGHLIGHT_STYLES[alias]=fg=120
+ZSH_HIGHLIGHT_STYLES[suffix-alias]=fg=120
+ZSH_HIGHLIGHT_STYLES[global-alias]=fg=120
+ZSH_HIGHLIGHT_STYLES[function]=fg=120
+ZSH_HIGHLIGHT_STYLES[command]=fg=120
+ZSH_HIGHLIGHT_STYLES[precommand]=fg=120,italic
+ZSH_HIGHLIGHT_STYLES[autodirectory]=fg=222,italic
+ZSH_HIGHLIGHT_STYLES[single-hyphen-option]=fg=222
+ZSH_HIGHLIGHT_STYLES[double-hyphen-option]=fg=222
+ZSH_HIGHLIGHT_STYLES[back-quoted-argument]=fg=183
+## Keywords
+## Built ins
+ZSH_HIGHLIGHT_STYLES[builtin]=fg=159
+ZSH_HIGHLIGHT_STYLES[reserved-word]=fg=159
+ZSH_HIGHLIGHT_STYLES[hashed-command]=fg=159
+## Punctuation
+ZSH_HIGHLIGHT_STYLES[commandseparator]=fg=212
+ZSH_HIGHLIGHT_STYLES[command-substitution-delimiter]=fg=231
+ZSH_HIGHLIGHT_STYLES[command-substitution-delimiter-unquoted]=fg=231
+ZSH_HIGHLIGHT_STYLES[process-substitution-delimiter]=fg=231
+ZSH_HIGHLIGHT_STYLES[back-quoted-argument-delimiter]=fg=212
+ZSH_HIGHLIGHT_STYLES[back-double-quoted-argument]=fg=212
+ZSH_HIGHLIGHT_STYLES[back-dollar-quoted-argument]=fg=212
+## Serializable / Configuration Languages
+## Storage
+## Strings
+ZSH_HIGHLIGHT_STYLES[command-substitution-quoted]=fg=229
+ZSH_HIGHLIGHT_STYLES[command-substitution-delimiter-quoted]=fg=229
+ZSH_HIGHLIGHT_STYLES[single-quoted-argument]=fg=229
+ZSH_HIGHLIGHT_STYLES[single-quoted-argument-unclosed]=fg=210
+ZSH_HIGHLIGHT_STYLES[double-quoted-argument]=fg=229
+ZSH_HIGHLIGHT_STYLES[double-quoted-argument-unclosed]=fg=210
+ZSH_HIGHLIGHT_STYLES[rc-quote]=fg=229
+## Variables
+ZSH_HIGHLIGHT_STYLES[dollar-quoted-argument]=fg=231
+ZSH_HIGHLIGHT_STYLES[dollar-quoted-argument-unclosed]=fg=210
+ZSH_HIGHLIGHT_STYLES[dollar-double-quoted-argument]=fg=231
+ZSH_HIGHLIGHT_STYLES[assign]=fg=231
+ZSH_HIGHLIGHT_STYLES[named-fd]=fg=231
+ZSH_HIGHLIGHT_STYLES[numeric-fd]=fg=231
+## No category relevant in spec
+ZSH_HIGHLIGHT_STYLES[unknown-token]=fg=210
+ZSH_HIGHLIGHT_STYLES[path]=fg=231
+ZSH_HIGHLIGHT_STYLES[path_pathseparator]=fg=212
+ZSH_HIGHLIGHT_STYLES[path_prefix]=fg=231
+ZSH_HIGHLIGHT_STYLES[path_prefix_pathseparator]=fg=212
+ZSH_HIGHLIGHT_STYLES[globbing]=fg=231
+ZSH_HIGHLIGHT_STYLES[history-expansion]=fg=183
+#ZSH_HIGHLIGHT_STYLES[command-substitution]='fg=?'
+#ZSH_HIGHLIGHT_STYLES[command-substitution-unquoted]='fg=?'
+#ZSH_HIGHLIGHT_STYLES[process-substitution]='fg=?'
+#ZSH_HIGHLIGHT_STYLES[arithmetic-expansion]='fg=?'
+ZSH_HIGHLIGHT_STYLES[back-quoted-argument-unclosed]=fg=210
+ZSH_HIGHLIGHT_STYLES[redirection]=fg=231
+ZSH_HIGHLIGHT_STYLES[arg0]=fg=231
+ZSH_HIGHLIGHT_STYLES[default]=fg=231
+ZSH_HIGHLIGHT_STYLES[cursor]='standout'
+fi