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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.
Purple was the color worn by Roman magistrates; it became the imperial color worn by the rulers of the Byzantine Empire and the Holy Roman Empire, and later by Roman Catholic bishops. Similarly in Japan , the color is traditionally associated with the emperor and aristocracy.
The principal hues were red, yellow, green, blue, and purple; the intermediate hues were yellow red, green yellow, blue green, blue purple, and red purple. Each was available with either maximum chroma or with middle value and middle chroma.
Color blindness or color vision deficiency (CVD) is the decreased ability to see color or differences in color. The severity of color blindness ranges from mostly unnoticeable to full absence of color perception.
Crayola released a set of 24 Confetti Crayons in 2020. They each contain three colors: one main color, which is displayed outwardly, and two other colors, which are speckled in small bubbles throughout the crayon. See also. History of Crayola crayons; Timeline of Crayola; Lists of colors; Notes
History. Color theory is rooted in antiquity, with early musings on color in Aristotle's (d. 322 BCE) On Colors and Claudius Ptolemy's (d. 168 CE) Optics. The influence of light on color was investigated and revealed further by al-Kindi (d. 873) and Ibn al-Haytham (d. 1039).
purple. Green is a primary color in many models of color space, and a secondary in all others. It is most often used to represent nature, healing, health, youth, or fertility, since it is such a dominant color in nature. It can be a very relaxing color but is also used in the US to symbolize money, greed, sickness or jealousy.
The color lavender might be described as a medium purple, a pale bluish purple, or a light pinkish-purple. The term lavender may be used in general to apply to a wide range of pale, light, or grayish-purples, but only on the blue side; lilac is pale purple on the pink side.
Chemistry of synthetic permanent hair coloring. Synthetic permanent hair coloring requires three components: (1) 1,4-diaminobenzene (historically) or 2,5-diaminotoluene (currently), (2) a coupling agent, and (3) an oxidant. The process is typically performed under basic conditions.
During the early 1980s, the Lakers wore mismatched shades of purple in their uniforms. On most occasions, the jersey was rendered in a darker shade whereas the shorts were lighter in hue and vice versa. This color issue was corrected later in the decade.
