Since the output of an electric guitar is an electric signal, the signal may easily be altered using electronic circuits to add " color " to the sound.

The color electric indigo is an approximation of spectrum indigo.

The web color blue violet or deep indigo is a tone of indigo brighter than pigment indigo but not as bright as electric indigo.

Spectral indigo is closely approximated by the color electric indigo.

At right is displayed the web color blue-violet, a color intermediate in brightness between electric indigo and pigment indigo.

The color box at right displays the web color Indigo which is equivalent to pigment indigo, the color indigo as it would be reproduced by artists ' paints as opposed to the brighter indigo above ( electric indigo ) that is possible to reproduce on a computer screen.

Compare the subtractive colors to the additive colors in the two primary color charts in the article on primary colors to see the distinction between electric colors as reproducible from light on a computer screen ( additive colors ) and the pigment colors reproducible with pigments ( subtractive colors ); the additive colors are a lot brighter because they are produced from light instead of pigment.

Electrochromic paints change color in response to an applied electric current.

Quarks have various intrinsic properties, including electric charge, color charge, mass, and spin.

Since the theory of electric charge is dubbed " electrodynamics ", the Greek word " chroma " Χρώμα ( meaning color ) is applied to the theory of color charge, " chromodynamics ".

Monochromatic lamps emitting spectral-violet wavelengths can be roughly approximated by the color shown below as electric violet.

The color at right, electric violet, is the closest approximation to middle spectrum violet that can be made on a computer screen, given the limitations of the sRGB color gamut.

The color box at right displays the web color dark violet which is equivalent to pigment violet, i. e., the color violet as it would typically be reproduced by artist's paints, colored pencils, or crayons as opposed to the brighter " electric " violet above that it is possible to reproduce on a computer screen.

Compare the subtractive colors to the additive colors in the two primary color charts in the article on primary colors to see the distinction between electric colors as reproducible from light on a computer screen ( additive colors ) and the pigment colors reproducible with pigments ( subtractive colors ); the additive colors are a lot brighter because they are produced from light instead of pigment.

This color, electric purple, is shown below.

Before printer's magenta was invented in the 1890s for CMYK printing, and electric magenta was invented in the 1980s for computer displays, these two artificially engineered colors were preceded by the color displayed at right, which is the color originally called fuchsine made from coal tar dyes in the year 1859.

The color of denim is due to indigo, the original vat dye.

Although traditionally considered one of seven colors of the rainbow or the optical spectrum, modern color scientists do not usually recognize indigo as a separate division and generally classify wavelengths shorter than about 450 nm as violet.

The first recorded use of indigo as a color name in English was in 1289.

It was Isaac Newton who first introduced indigo as a spectral color.

" He linked the seven prismatic colors to the seven notes of a western major scale, as can be seen in his color wheel, with orange and indigo providing the semitones, thinking that perhaps perception of the two was related in some way.

Maxwell and von Helmholz accepted indigo as an appropriate name for the color flanking violet in the spectrum.

As Gary Waldman writes: " A careful reading of Newton's work indicates that the color he called indigo, we would normally call blue ; his blue is then what we would name blue-green or cyan.

As Isaac Asimov noted, ' It is customary to list indigo as a color lying between blue and violet, but it has never seemed to me that indigo is worth the dignity of being considered a separate color.

This is the brightest color indigo that can be approximated on a computer screen — it is a color located between the web color blue and the color violet on the RGB color wheel.

The color pigment indigo is equivalent to the web color indigo and approximates the color indigo that is usually reproduced in pigments and colored pencils.

One of my virtues or vices is a sort of three-dimensional imagination complete with sound effects and glorious living color.

Through all this raving, Krim is performing a traditional and by now boring rite, the attack on intelligence, upon the largely successful attempt of the magazines he castigates to liberate American writing from local color and other varieties of romantic corn.

When different colors are used, she is just as likely to color trees purple, hair green, etc..

-- Her choice of one color means she is simply enjoying the motor act of coloring, without having reached the point of selecting suitable colors for different objects.

The work is executed in England ( by hand ) and can be worked in any desired design and color.

While white is the coolest summer shade, there are lots of pastel hues along with tintable fabrics that will blend with any wardrobe color.

Just after sunset is a good time to record the city lights in color since you get a `` fill-in '' light from the sky.

The result is a color picture of the specimen where the primary colors correspond to the three different ultraviolet wavelengths.

Different parts of these cells sometimes absorb or reflect different wavelengths so that it is often possible to see internal portions of cells in a different color.

Considerable specialization in teaching subjects such as architecture, furniture design, textiles and color is also desirable.

New to the field is a duplex type butyrate laminate in which the two sheets of the laminate are of different color.

The copy itself, including any text or illustrations, is reproduced in full color directly on a thin Mylar polyester film by a photo screen process.

Almost equal in size to a honeybee, A. armata is much more beautiful in color, at least in the female of the species: a rich, velvety, rusty red.

That is, they used opaque color throughout, getting solid highlights with active lime white.

The bread baked from this mixture is light in color and fragrant in aroma.

But the nickname never stuck and Gehrig was no match for Ruth in `` color '' -- which is sometimes a polite word for delinquent behavior on and off the field.

As far as the color problem is concerned, there is but one great difference between the Southern white and the Northerner: the Southerner remembers, historically and in his own psyche, a kind of Eden in which he loved black people and they loved him.

The volume of ADC cases will decrease, Martin reported, when the community is able to deal effectively with two problems: Relatively limited skills and discrimination in employment because of color.

`` There is not now, nor has there ever been in Emory University's charter or by-laws any requirement that students be admitted or rejected on the basis of race, color or creed.

Black and white is her favorite color combination along with lively glowing pinks, reds, blues and greens.

It is truly odd and ironic that the most handsome and impressive film yet made from Miguel De Cervantes' `` Don Quixote '' is the brilliant Russian spectacle, done in wide screen and color, which opened yesterday at the Fifty-fifth Street and Sixty-eighth Street Playhouses.

Also on the bill at the Fifty-fifth Street is a nice ten-minute color film called `` Sunday In Greenwich Village '', a tour of the haunts and joints.

Laura is a good role for Miss Resnik, and she gave it force, dramatic color and passion.