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.
A transparent "quin," this single pigment color is a terrific start for brilliant reds and pinks as well as fiery glazes that are exactly what one associates with magenta.
With pigment closely related to Cobalt and Cerulean, this chromium variation is a slightly more transparent and more neutral blue well suited for skies in landscape paintings.
