archeus

Russet, the second or middle tertiary colour, is, like citrine, constituted ultimately of the three primaries, red, yellow, and blue; but with this difference -- instead of yellow as in citrine, the archeus or predominating colour in russet is red, to which yellow and blue are subordinates.

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field

Hence citrine, according to its name, which is that of a class of colours and used commonly for a dark yellow, partakes in a subdued degree of all the powers of its archeus yellow.

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field

In other respects also, purple partakes of the properties of blue, which is its archeus, or ruling colour; hence it is to the eye a retiring colour, that reflects light little, and loses rapidly in power in a declining light, and according to the distance at which it is viewed.

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field

Citrine, or the colour of the citron, is the first of the tertiary class of colours, or ultimate compounds of the primary triad, yellow, red, and blue; in which yellow is the archeus or predominating colour, and blue the extreme subordinate.

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field

Blue is, therefore, in every instance the archeus or predominating colour of olive; its perfect or middle hue comprehending sixteen of blue to five of red and three of yellow.

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field

Nevertheless there are two evident principles of combination, of which he may avail himself in producing these colours in the various ways of working; the one being that of combining two original secondaries; and the other, of uniting the three primaries in such a manner that the archeus shall predominate.

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field

As an archeus or ruling colour, orange is one of the most agreeable keys in toning a picture, from the richness and warmth of its effects.

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field

All antagonistic colours, or contrasts, likewise afford the neutral black by composition; but in all the modes of producing black by compounding colours, blue is to be regarded as its archeus or predominating colour, and yellow as subordinate to red, in the proportions, when their hues are true, of eight blue, five red, and three yellow.

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field

It partakes in a proportionate measure of the powers, properties, and relations of its archeus: accordingly, the antagonist or harmonizing contrast of olive is

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field

Red is the archeus, or principal colour in the tertiary _russet_; enters subordinately into the two other tertiaries, _citrine_ and _olive_; goes largely into the composition of the various hues and shades of the semi-neutral _marrone_ or chocolate, and its relations, puce, murrey, morelle, mordore, pompadour, &c.; and is more or less present in

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field