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In formal color theory, purple colors often refer to the colors on the line of purples on the CIE chromaticity diagram (or colors that can be derived from colors on the line of purples), i.e., any color between red and violet, not including either red or violet themselves.
Not all anthocyanins are purple; they vary in color from red to purple to blue, green, or yellow, depending upon the level of their pH. The purple colors of this cauliflower , grapes, fruits, vegetables and flowers comes from natural pigments called anthocyanins .
Violet is the color of light at the short wavelength end of the visible spectrum. It is one of the seven colors that Isaac Newton labeled when dividing the spectrum of visible light in 1672. Violet light has a wavelength between approximately 380 and 435 nanometers. [2] The color's name is derived from the Viola genus of flowers.
In this traditional scheme, a complementary color pair contains one primary color (yellow, blue or red) and a secondary color (green, purple or orange). The complement of any primary color can be made by combining the two other primary colors.
The term violet has different meanings in different languages, countries and epochs. Even among many modern speakers within the English-speaking world there is confusion about the terms purple and violet.
Today, purple symbolizes evil and infidelity in Japan, but the same is symbolized by blue in East Asia and by yellow in France. Additionally, the sacred color of Hindu and Buddhist monks is orange. The Renaissance was also a time in which black and purple were colors of mourning.
Traditionally, the complementary color of yellow is purple; the two colors are opposite each other on the color wheel long used by painters. Vincent van Gogh, an avid student of color theory, used combinations of yellow and purple in several of his paintings for the maximum contrast and harmony.
The general model of color psychology relies on six basic principles: Color can carry a specific meaning. Color meaning is either based in learned meaning or biologically innate meaning. The perception of a color causes evaluation automatically by the person perceiving.
The typical artists' paint or pigment color wheel includes the blue, red, and yellow primary colors. The corresponding secondary colors are green, orange, and violet or purple. The tertiary colors are green-yellow, yellow-orange, orange-red, red-violet/purple, purple/violet-blue and blue-green.
On the RGB color wheel, magenta is the color between rose and violet, and halfway between red and blue . This color is called magenta in X11 and fuchsia in HTML. In the RGB color model, it is created by combining equal intensities of red and blue light. The two web colors magenta and fuchsia are exactly the same color.