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Opus Resource Library

R&F Pigment Sticks: Complex Earths
In this article, R&F founder Richard Frumess describes the 19 R&F Colours that are "Complex Earths" - mixtures of various iron oxides and chromatic pigments.
R&F Pigment Sticks: Complex Earths
In this article, R&F founder Richard Frumess describes the 19 R&F Colours that are "Complex Earths" - mixtures of various iron oxides and chromatic pigments.

Cochineal Red: Travel back in time with Schmincke
Our friends at Schmincke have recreated an exquisite collection of watercolours inspired by their very own paint sets from over one hundred years ago! Read on to go back in time...
Cochineal Red: Travel back in time with Schmincke
Our friends at Schmincke have recreated an exquisite collection of watercolours inspired by their very own paint sets from over one hundred years ago! Read on to go back in time...

Ultramarine: The colour once more valuable than...
Ultramarine pigment was historically once more valuable than gold. We take a look at its journey from rare gemstone, lapis lazuli, to the advancement made by chemists to create an...
Ultramarine: The colour once more valuable than...
Ultramarine pigment was historically once more valuable than gold. We take a look at its journey from rare gemstone, lapis lazuli, to the advancement made by chemists to create an...

Purple: Reserved for Royals and Rulers
Purple is captivating and enchanting. From deep purple to lilac and ultraviolet, it conjures up ideas of magic, royalty, and psychedelia.
Purple: Reserved for Royals and Rulers
Purple is captivating and enchanting. From deep purple to lilac and ultraviolet, it conjures up ideas of magic, royalty, and psychedelia.

Olive Yellow: An R&F Color Story
We would like to briefly touch upon one with fondness and that is the golden, awkward, beauty we call Olive Yellow.
Olive Yellow: An R&F Color Story
We would like to briefly touch upon one with fondness and that is the golden, awkward, beauty we call Olive Yellow.

Gold - The Sacred and Secular Art of Gold
Gold has fascinated civilizations across time, revered not only for its rarity and luminosity but also for its deep symbolic meanings. From ancient Egypt, where it represented divine power, to...
Gold - The Sacred and Secular Art of Gold
Gold has fascinated civilizations across time, revered not only for its rarity and luminosity but also for its deep symbolic meanings. From ancient Egypt, where it represented divine power, to...