Chiefly Derived From A Genus Of Leguminous Plants Called Indigofera
found in India, Africa, and America. The colouring matter of these is wholly in the cellular tissue of the leaves, as a secretion or juice; not, however, in the blue state in which one is accustomed to see indigo, but as a colourless substance, which ... Chinese Rouge And Pink Saucers Have Much Of The Qualities Of And
appear to be also prepared from, the safflower. ... Citrine; While Mixed With Purple It Becomes The Other Extreme
... Coeruleum Of Pliny Were A Blue Copper Earth However That May Be In
these days both names signify cobalt compounds, coeruleum being a stannate of cobalt, and cyanine a mixture of cobalt and Prussian blue. Unlike the former, cyanine, being composed of two old colours, can lay no claim to originality. In the fourth chap... Colour
Other things being equal, those artificial ultramarines are most durable which possess the most colour; and all are, perhaps, most permanent in water. If used in that vehicle, care should be taken to employ a gum free from acid; also, whether in wat... Colour Also May Comprise A Similar Series Of Hues Between The Extremes
of the colours composing it. And as the relations of colours have been deduced regularly, from white or light to black or shade; so the same may be done, inversely, from black to white. On this plan the tertiaries, olive, russet, and citrine, take the... Colour It Has Already Been Observed Is Wholly Relative In
contrasting, therefore, any colour, if we wish it to have light or brilliancy, we cast its opposite into the shade; if we would have it warm, we cool its antagonist; and if transparent, we oppose it by an ... Colour Remarks Ruskin Is Wholly Relative; Each Hue Throughout A Work
is altered by every touch added in other places. Thus, to place white beside a colour is to heighten its tone; to set black beside a colour is to weaken its tone; while to put grey beside a colour, is to render it more brilliant. If a dark colour be p... Colours Are Advancing Or Retiring In Their Quality--as Depth
delicacy, &c., not in their hue. A blue object set side-by-side a yellow one will not look an inch farther off, but a red or orange cloud, in the upper sky, will always seem to be beyond a blue cloud close to us, as it ... Colours It Is Composed Of The Extreme Primaries Yellow And Blue
and is most perfect in hue when constituted in the proportions of three of yellow to eight of blue of equal intensities; because such a green will exactly neutralize and contrast a perfect red in the ratio of eleven to five, either of space or power. ... Colours It Is The Coolest As Well As The Nearest In Relation To Black
or shade; in which respect, and in never being a warm colour, it resembles blue. 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 l... Colours With The Neutral Black Of The Various Combinations Of Black
those in which yellow, orange, or citrine predominates, have obtained the name of brown, &c. A second class in which the compounds of black are of a predominant red, purple, or russet hue, comprises marrone, chocolate, &c. And a third class, in which ... Colours:--
... Combined With Blue Cool And Retiring It Is However More Congenial
with yellow than with blue, and thence partakes more of the character of the former in its effects of warmth, the influence of light and distance, and action on the eye, by which the power of vision is diminished on viewing this colour in a strong lig... Composition Chemical Analysis Has Shown Several Of The Blues To Be
oxide of copper with a small proportion of iron; none containing cobalt. There is little doubt, however, that the most brilliant specimens--those which retain all their original force and beauty in the temples of Upper Egypt after an exposure of three...
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Browns And The Cold Semi-neutral Grays Marrone Is Practically To Black Chalk Also Called Scarlet Chrome Is A Bright Chromate Of Lead Of An Burnt Verdigris Belong The Dutch And Flemish Schools; The Sensible Which Aims At Composition Chemical Analysis Has Shown Several Of The Blues To Be Less Known As English Red Prussian Red And Scarlet Ochre True Olive In Dark Green; Russet And Citrine In Dark Orange The

Pitch And [greek: Kallos] Ornament The Blue Is Named Pittacal Pigment The [greek: Kinnabari] Of The Greeks And The Minium--a Term Peculiar Red Mineral Orange For Artists Such Are Harding's And Macpherson's Tints Composed Of We Have Adopted The Term Marrone Or Maroon As It Is Sometimes Called Softer Texture Some Of My Friends Says Bouvier Call It Beggars' Russet Hues Of Autumn Foliage Where Purple And Orange Have Broken Or Uniform Colour Thus Composed Is The Citrine Colour Of Fruit And