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According to Pliny, Meninx (today's Djerba) produced the best purple in Africa which was also ranked second only after Tyre's. It was found also at Essaouira . The Royal purple or Imperial purple [35] was probably used until the time of Augustine of Hippo (354–430) and before the demise of the Roman Empire.
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. [7] [8] The first recorded use of purple as a color name in English was ...
The "Electric City" sign in Scranton, Pennsylvania, U.S., on Friday, Feb. 25, 2022. Scranton, Pennsylvania has experienced a recent economic turnaround, but the mood among locals about the state ...
In 2023 the population of Canada was 39,566,248 (Q1, 2023) [1] compared to 36,991,981 in 2021 [2] while the population of the United States was 333,287,557 in 2022, [3] almost nine times larger than Canada. The United States GDP was $24.8 trillion in 2021. [4] The United States has the largest economy globally and Canada ranks 9th at US$2.015 ...
In the 18th century, purple was a color worn by royalty, aristocrats and other wealthy people. Good-quality purple fabric was too expensive for ordinary people. The first cobalt violet, the intensely red-violet cobalt arsenate, was highly toxic. Although it persisted in some paint lines into the 20th century, it was displaced by less toxic ...
The 'purple paint law' has been adopted by over 20 states.
It was stable, but had low tinting power and was expensive, so quickly went out of use. [65] Manganese violet was a stronger color than cobalt violet, and replaced it on the market. Quinacridone violet, one of a modern synthetic organic family of colors, was discovered in 1896 but not marketed until 1955. It is sold today under a number of ...
Sphex pensylvanicus is a large, black wasp, significantly larger than their congener Sphex ichneumoneus (the great golden digger wasp). [6] Males are smaller than females, at only 19–28 mm (0.7–1.1 in) long compared with typical female sizes of 25–34 mm (1.0–1.3 in). [2]