Four Color, also known as Four Color Comics and Dell Four Color, is an American comic book anthology series published by Dell Comics between 1939 and...

In mathematics, the four color theorem, or the four color map theorem, states that no more than four colors are required to color the regions of any map...

A four-color deck (US) or four-colour pack (UK) is a deck of playing cards identical to the standard French deck except for the color of the suits. In...

The CMYK color model (also known as process color, or four color) is a subtractive color model, based on the CMY color model, used in color printing, and...

Four color cards (Chinese: 四色牌; pinyin: Sì Sè Pái) is a game of the rummy family of card games, with a relatively long history in southern China. In Vietnam...

Color printing or colour printing is the reproduction of an image or text in color (as opposed to simpler black and white or monochrome printing). Woodblock...

Color (American English) or colour (British and Commonwealth English) is the visual perception based on the electromagnetic spectrum. Though color is not...

Color blindness or color vision deficiency (CVD) is the decreased ability to see color or differences in color. The severity of color blindness ranges...

ballpoints, sometimes with minimal mixed-media color. The ballpoint pen has several limitations as an art medium. Color availability and sensitivity of ink to...

four primaries to reproduce their entire gamut, there is only one scholarly report of a functional human tetrachromat, for which trichromatic color models...

are colors that do not appear in ordinary visual functioning. Different color theories suggest different hypothetical colors that humans are incapable...

Rectangle color schemes work best when one color is dominant. The square color scheme is a four-color combination consisting of a base color and three...

"most difficult mathematical problems". In mathematics, the four color theorem, or the four color map theorem, states that given any separation of a plane...

The Color Graphics Adapter (CGA), originally also called the Color/Graphics Adapter or IBM Color/Graphics Monitor Adapter, introduced in 1981, was IBM's...

no two adjacent regions receive the same color. The five color theorem is implied by the stronger four color theorem, but is considerably easier to prove...

A color term (or color name) is a word or phrase that refers to a specific color. The color term may refer to human perception of that color (which is...

but features a three-color desert camouflage pattern of dark brown, pale olive green, and beige, as opposed to the four-color woodland pattern of the...

color, like that of unripe or green olives. As a color word in the English language, it appears in late Middle English. Olivine is the typical color of...

mathematics, the four-color theorem. They proved that any two-dimensional map, with certain limitations, can be filled in with four colors without any...

to color a map of the counties of England, Francis Guthrie postulated the four color conjecture, noting that four colors were sufficient to color the...

The Natural Color System (NCS) is a proprietary perceptual color model. It is based on the color opponency hypothesis of color vision, first proposed by...

Ace 2 3 4 5 6 7 8 9 10 Jack Queen King Four-color decks are sometimes used in tournaments or online. In four-colour packs Spades may be: black in English...

subtractive color model used in art and applied design in which red, yellow, and blue pigments are considered primary colors. Under traditional color theory...

are three ways to divide four suits into pairs: by color, by rank and by shape resulting in six possible suit combinations. Color is used to denote the red...

blue. In the subtractive color system, or CMYK color model, which can be overlaid to produce all colors in paint and color printing, cyan is one of the...

Both the Apple II and the CGA use the pixel clock of 14.318 MHz, four times the color subcarrier. For a broadcast-quality signal, that would mean 910 pixel...

comics titles, Donald Duck began as individual issues of Dell Comics' Four Color one-shots series. It was published as its own regular series in November...

A color wheel or color circle is an abstract illustrative organization of color hues around a circle, which shows the relationships between primary colors...

used in the tarot card games: Ace 2 3 4 5 6 7 8 9 10 Jack Queen King Four-color decks are sometimes used in tournaments or online. In such packs Diamonds...

in graph theory is the four color problem: "Is it true that any map drawn in the plane may have its regions colored with four colors, in such a way that...