Hookers Green was originally a mixture of Prussian Blue and Gamboge before a single pigment Hookers was developed. GOLDEN have re-created this colour using Anthraquinone Blue, Nickel Azo Yellow and...
Closest match to what people think of as 14k gold, but the one Iridescent we caution against outdoor use without UV protection due to light the Nickel/Azo light sensitivity.