Is indigo a real color?

Indigo is a rich color between blue and violet on the visible spectrum, it's a dark purplish blue. Dark denim is indigo as is Indigo dye. It's a cool, deep color and also a natural one. True Indigo dye is extracted from tropical plants as a fermented leaf solution and mixed with lye, pressed into cakes and powdered.
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Why is indigo not a color?

Indigo is omitted because few people can differentiate the wavelengths well enough to see it as a separate color. The six-color spectrum also fits the model of the color wheel, with red, yellow, and blue being primary colors. Orange, green, and violet are secondary colors and are spaced between the primary colors.
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Is indigo actually part of the rainbow?

There are seven colors in the rainbow: red, orange, yellow, green, blue, indigo and violet. The acronym “ROY G. BIV” is a handy reminder for the color sequence that makes up the rainbow. Portrait of Sir Isaac Newton by Godfrey Kneller.
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Does indigo exist in nature?

Natural sources

A variety of plants have provided indigo throughout history, but most natural indigo was obtained from those in the genus Indigofera, which are native to the tropics, notably the Indian Subcontinent. The primary commercial indigo species in Asia was true indigo (Indigofera tinctoria, also known as I.
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Is indigo a flower?

According to indigo plant information, these plants are native to subtropical as well as tropical locations around the world. They are members of the pea family. Some indigo plant varieties have beautiful flowers.
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Indigo Is a Stupid Color



Can you eat indigo?

indigo is edible, and is sold in rural markets in China, Guatemala, and Mexico. The flavor is similar to a portobello when cooked, but crumblier and with a grainier texture. There are other species of the Lactarius genus that are edible, but many are poisonous, though none are deadly.
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Which colour is missing in a rainbow?

Indigo has vanished, leaving three primary and three secondary colours. The Gay Pride flag eschews indigo in its representation of the rainbow.
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What are the 12 rainbow colors?

G. BIV (red, orange, yellow, green, blue, indigo, violet), the mnemonic that helped you to memorize the order and colors of the rainbow? Well, you can forget it because as it turns out, not all rainbows are equal. They can vary drastically depending on the conditions under which they occur.
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What is the 8th color of the rainbow?

The colours of the rainbow are: Red, orange, yellow, green, blue, indigo, violet.
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Is violet a real color?

Violet is the color of light at the short wavelength end of the visible spectrum, between blue and invisible ultraviolet. 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.
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Why is there controversy over the color indigo?

As a result, many believe that indigo was never deserving to be its own color. It's a common belief that indigo is instead a variation of blue or violet, and should reside in one of those categories. There is speculation that Newton only included indigo in his color spectrum in order to have seven colors.
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Why are there 7 colors in the rainbow?

Sunlight is known as visible or white light and is actually a mixture of all visible colors. Rainbows appear in seven colors because water droplets break white sunlight into the seven colors of the spectrum (red, orange, yellow, green, blue, indigo, violet).
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What colour is the number 7?

1 is black, 5 is light brown, 6 is dark blonde, 7 is blonde and 10 is the lightest blonde.
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Is ROY G BIV real?

"Roy g biv" is a mnemonic that helps you remember the order of the colors of the rainbow. So it's red, orange, yellow, green, blue, indigo and violet. There aren't actually, strictly speaking, seven colors in the rainbow.
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What is the rarest rainbow?

Twinned rainbows

The rarest type of rainbow start from the same base but them split along the arc to form a primary and secondary rainbow. Twinned rainbows are formed when sunlight is refracted after coming into contact with two rain showers which have different size of droplets from each other.
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Are triple rainbows possible?

On rare occasions rays of light are reflected three times within a rain drop and a triple rainbow is produced. There have only been five scientific reports of triple rainbows in 250 years, says international scientific body the Optical Society.
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What is a ghost rainbow?

A fogbow, or white rainbow

Fogbows are sometimes called white rainbows, or cloudbows or ghost rainbows. They're made much as rainbows are, from the same configuration of sunlight and moisture. Rainbows happen when the air is filled with raindrops. You always see a rainbow in the direction opposite the sun.
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Are there colors we Cannot see?

Red-green and yellow-blue are the so-called "forbidden colors." Composed of pairs of hues whose light frequencies automatically cancel each other out in the human eye, they're supposed to be impossible to see simultaneously. The limitation results from the way we perceive color in the first place.
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What colour is a Moonbow?

Just like daytime rainbows, moonbows need the light from the moon to be reflected and refracted by water droplets at a certain angle to create a rainbow. Rather than seeing the full spectrum of colours, moonbows often appear to be white to the human eye.
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How many colors are there that we Cannot see?

The impossible Colors

These colours are blue, green, and red. Of course, we see much more colour than just these three. There is an overlap between the wavelengths of light covered by the cone cells. White, for example, is not a wavelength of light, yet we perceive it as a mix of different colours.
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Does indigo make your hair blue?

Since Indigo powder is a blue dye, applying it directly to your hair will leave an intriguing blue tint. However, to get darker shades like brown, auburn or black, you need to prime your hair with Henna treatment before using indigo powder.
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Is indigo still grown?

The plant itself is still grown in smaller amounts as an ornamental plant, for historical interpretation and as a niche business.
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How was indigo used as medicine?

As a medicinal plant, indigo has been used as an emetic. The Chinese use Indigofera tinctoria L. to clean the liver, detoxify the blood, reduce inflammation, alleviate pain, and reduce fever (11.1-10). The powdered root of Indigofera cf. patens is used in South Africa to alleviate toothache (11.1-96).
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