The 12 secondary colors are
"shannon" (defined as HEX #00A3E0),
"sky" (defined as HEX #007DBA),
"stone" (defined as HEX #2D5980),
"marine" (defined as HEX #13294B),
"marigold" (defined as HEX #FFC72C),
"golden leaf" (defined as HEX #FFA300),
"pumpkin" (defined as HEX #D45D00),
"munster" (defined as HEX #CB333B),
"salmon" (defined as HEX #E31C79),
"autumnal leaf" (defined as HEX #6F263D),
"copper" (defined as HEX #89532F),
"bronze" (defined as HEX #7e5c4d),
"white" (defined as HEX #FFFFFF),
"limestone" (defined as HEX #919D9D),
"pebble" (defined as HEX #707372),
"granite" (defined as HEX #505759), and
"slate" (defined as HEX #373A36).
limerick_2 uses the HEX color definitions.