A synthetic pigment is used given that there is only one remaining quarry extracting ocher by mining in southern France, where the very best natural sources are said to be located. The earth tone of the synthetic version has proven to be brighter, clearer and several times stronger than natural ocher with outstanding lightfastness. It is also more transparent due to the absence of clay.

CAO uses only the finest sienna earths – this goldenrod pigment is similar to that of a dark ochre but with much more delicate handling qualities. Once the defining colors of the Renaissance, Siennas are valued in all techniques for their brilliant, fiery undertones.

Naturally occurring colored earths provide superb, lightfast browns while the incorporation of synthetic iron oxides like the Mars colors can sufficiently extend the range while keeping with the integrity and affordability of the earth tones.

A fine red-brown pigment, as a sienna it has long been valued for its clean color and transparency. Maximize its color clarity by mixing with other transparent pigments.

This beautiful red iron oxide has a distinct undertone that makes it especially useful in portraiture.

Commonly referred to as Light Red or English Red, this particular synthetic pigment produces a medium red shade with orange undertones.

A rich, dark brown that neutralizes well when mixed with white.

A dark reddish brown with great tinting strength and hiding power. As a fast drier, Burnt Umber lends itself particularly to under painting.

A deep, rich brown – it shades with complex undertones and defines itself by the Latin origin of its name “Ombra”, meaning shadow.