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Viola sororia ( / vaɪˈoʊlə səˈrɔːriə / vy-OH-lə sə-ROR-ee-ə ), [ 5] known commonly as the common blue violet, is a short-stemmed herbaceous perennial plant native to eastern North America. It is known by a number of common names, including common meadow violet, purple violet, woolly blue violet, hooded violet, and wood violet.
Ultramarine is a deep blue color pigment which was originally made by grinding lapis lazuli into a powder. [ 2] Its lengthy grinding and washing process makes the natural pigment quite valuable—roughly ten times more expensive than the stone it comes from and as expensive as gold. [ 3][ 4] The name ultramarine comes from the Latin ultramarinus.
[2] [4] The colours of paint using in printing are refined from various kinds of natural materials which are easily found in Vietnam. For instance, the red colour is taken from red gravel in Thiên Thai Mountain, while the black comes from charcoal of burned bamboo leaves. In that way, a Đông Hồ painting can keep its colours for a long time ...
Vermilion (sometimes vermillion) [ 1] is a color family and pigment most often used between antiquity and the 19th century from the powdered mineral cinnabar (a form of mercury sulfide ). It is synonymous with red orange, which often takes a modern form, but is 11% brighter (at full brightness).
The Greek word for dark blue, kyaneos, could also mean dark green, violet, black or brown. The ancient Greek word for a light blue, glaukos, also could mean light green, grey, or yellow. [15] The Greeks imported indigo dye from India, calling it indikon. They used Egyptian blue in the wall paintings of Knossos, in Crete, around
The taijitu uses black and white or red to represent the unity of yin and yang. Ancient Chinese people regarded black as the king of colors and honored black more consistently than any other color. Laozi said "know the white, keep the black", and Taoists believe black is the color of the Tao. [citation needed]
Subtractive color or subtractive color mixing predicts the spectral power distribution of light after it passes through successive layers of partially absorbing media. This idealized model is the essential principle of how dyes and pigments are used in color printing and photography, where the perception of color is elicited after white light ...
H: Normalized to [0–100] (hundred) Copper phthalocyanine (CuPc), also called phthalocyanine blue, phthalo blue and many other names, is a bright, crystalline, synthetic blue pigment from the group of dyes based on phthalocyanines. Its brilliant blue is frequently used in paints and dyes.