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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.
The tertiary color on the HSV color wheel (also known as the RGB color wheel) precisely halfway between blue and magenta is called color wheel violet. This tone of violet—an approximation of the color violet at about 417 nanometers as plotted on the CIE chromaticity diagram —is shown at right.
The color periwinkle is also called lavender blue and light blue violet. The color periwinkle may be considered a pale tint of purple-blue in the Munsell color system, or a "pastel purple-blue". The color can represent serenity, calmness, winter, and ice.
Tones of violet tending towards the blue are called indigo. Purple colors are colors that are various blends of violet or blue light with red light.
In optics, violet is a spectral color (referring to the color of different single wavelengths of light), whereas purple is the color of various combinations of red and blue (or violet) light, some of which humans perceive as similar to violet.
The Munsell color system, showing: a circle of hues at value 5 chroma 6; the neutral values from 0 to 10; and the chromas of purple-blue (5PB) at value 5. In colorimetry, the Munsell color system is a color space that specifies colors based on three properties of color: hue (basic color), value ( lightness ), and chroma (color intensity).
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.
In order for all the colors to be spaced uniformly, it was found necessary to use a color wheel with five primary colors: red, yellow, green, blue, and purple. Munsell can only be displayed approximately on a computer screen, as these spectral colors have been adjusted to fit into the sRGB gamut.
Mauve (/ ˈ m oʊ v / ⓘ, mohv; / ˈ m ɔː v / ⓘ, mawv) is a pale purple color named after the mallow flower (French: mauve). The first use of the word mauve as a color was in 1796–98 according to the Oxford English Dictionary, but its use seems to have been rare before 1859.
Cornflower blue is a shade of medium-to-light blue containing relatively little green. This hue was one of the favorites of the Dutch painter Johannes Vermeer. [1] Cornflower blue sapphire. The most valuable blue sapphires are called cornflower blue, having a medium-dark violet-blue hue. [2]