Add section on bright colors

thebookofcolors

@@ -36,13 +36,18 @@ title() {
 
 subtitle() {
 	if test -z "$1"; then
-		printf "No title provided." 1>&2
+		printf "No subtitle provided." 1>&2
 		exit 1
 	fi
 
 	printf "\e[4;37m"
 	printf "$1"
-	printf "\e[0m\n"
+	printf "\e[0m"
+	if test -z "$2"; then printf "\n"; fi
+}
+
+tableheader() {
+	subtitle "$1" "noreturn"
 }
 
 italic() {
@@ -263,9 +268,26 @@ section_rgb_colors() {
 }
 
 section_bright_colors() {
-	title "Codes 90-97 and 100-107; Foreground and Background Bright Colors"
+	title "Codes 90-97 and 100-107; Bright Colors"
 
-	printf 'TODO\n'
+	printf "Codes 90 through 97 and 100 through 107 are used to access the alternate \"bright\" color palette.\n"
+	printf "This allows you to access these colors regardless of whether the \"boldness\" attribute causes these colors to be displayed in your particular terminal.\n"
+	printf "Codes 90 through 97 set the foreground color, whereas codes 100 through 107 set the background color.\n"
+	newline
+
+	subtitle "A Table of Bright Colors"
+	tableheader "Foreground"
+	printf "            "
+	tableheader "Background"
+	newline
+	printf "\e[90m\\\e[90m Dark grey\e[0m      \e[100m\\\e[100m Dark grey\e[0m\n"
+	printf "\e[91m\\\e[91m Light red\e[0m      \e[101m\\\e[101m Light red\e[0m\n"
+	printf "\e[92m\\\e[92m Light green\e[0m    \e[102m\\\e[102m Light green\e[0m\n"
+	printf "\e[93m\\\e[93m Yellow\e[0m         \e[103m\\\e[103m Yellow\e[0m\n"
+	printf "\e[94m\\\e[94m Light blue\e[0m     \e[104m\\\e[104m Light blue\e[0m\n"
+	printf "\e[95m\\\e[95m Light purple\e[0m   \e[105m\\\e[105m Light purple\e[0m\n"
+	printf "\e[96m\\\e[96m Light cyan\e[0m     \e[106m\\\e[106m Light cyan\e[0m\n"
+	printf "\e[97m\\\e[97m White\e[0m          \e[107m\\\e[107m White\e[0m\n"
 }
 
 section_italics() {