diff --git a/.config/fish/functions/latex-color.fish b/.config/fish/functions/latex-color.fish
index af0ce2a..c8aca07 100644
--- a/.config/fish/functions/latex-color.fish
+++ b/.config/fish/functions/latex-color.fish
@@ -1,4 +1,4 @@
-function latexcolor --description "Get the LaTeX color from HEX code"
+function latex-color --description "Get the LaTeX color from HEX code"
     # Declare our arguments
     argparse h/help -- $argv
 
@@ -6,21 +6,36 @@ function latexcolor --description "Get the LaTeX color from HEX code"
     set current_name $(status current-function)
 
     # Check if not enough arguments provided, or help menu
-    if set -ql _flag_help || test -z $argv[2]
-        echo -e "Usage: $current_name hex"
-        echo -e "  $current_name [-h|--help] \t\t - Show this help message"
+    if set -ql _flag_help || test -z $argv[1]
+        echo -e "Usage: $current_name \"hexcode\""
+        echo -e "  $current_name [-h|--help] - Show this help message"
         return 0
     end
 
+    # Remove '#'
     set hex $argv[1]
-    if string match -r '^#' -- $hex
+    if string match -qr '^#' -- $hex
         set hex (string sub -s 2 $hex)
     end
 
-    # Convert hex to RGB
-    set r (math "0x${hex[1..2]} / 255")
-    set g (math "0x${hex[3..4]} / 255")
-    set b (math "0x${hex[5..6]} / 255")
+    # Expand 3 hex to 4 hex
+    # TODO
 
-    printf "{%.2f, %.2f, %.2f}\n" $r $g $b
+    # Expand 3 hex to 8 hex
+    if test (string length $hex) -eq 3
+        set hex "$(string replace -ar '(.)' '$1$1' $hex)00"
+    end
+
+    # Expand 6 hex to 8 hex
+    if test (string length $hex) -eq 6
+        set hex $(string join "" $hex 00)
+    end
+
+    # Convert hex to RGB
+    set r (math "0x$(string sub -s 1 -l 2 $hex) / 255")
+    set g (math "0x$(string sub -s 3 -l 2 $hex) / 255")
+    set b (math "0x$(string sub -s 5 -l 2 $hex) / 255")
+    set a (math "0x$(string sub -s 7 -l 2 $hex) / 255")
+
+    printf "{%.2f, %.2f, %.2f, %.2f}\n" $r $g $b $a
 end