Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately...

The Red Color (Hebrew: צבע אדום, transl.: Tzeva Adom, i.e. code red) is an early-warning radar system originally installed by the Israel Defense Forces...

Varieties of the color red may differ in hue, chroma (also called saturation, intensity, or colorfulness), lightness (or value, tone, or brightness),...

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

Color (or colour in Commonwealth English; see spelling differences) is the visual perception based on the electromagnetic spectrum. Though color is not...

The RGB color model is an additive color model in which the red, green, and blue primary colors of light are added together in various ways to reproduce...

Scarlet is a bright red color, sometimes with a slightly orange tinge. In the spectrum of visible light, and on the traditional color wheel, it is one-quarter...

A red diamond is a diamond which displays red color and exhibits the same mineral properties as colorless diamonds. Red diamonds are commonly known as...

color to the natural red dye made from an insect, Kermes vermilio, which was widely used in Europe. The first recorded use of "vermilion" as a color name...

Fuchsia (/ˈfjuːʃə/ , FEW-shə) is a vivid pinkish-red color, named after the color of the flower of the fuchsia plant, which was named by a French botanist...

Burgundy is a purplish, dark-red color. The color burgundy takes its name from the Burgundy wine in France. When referring to the color, "burgundy" is not usually...

Color psychology is the study of colors and hues as a determinant of human behavior. Color influences perceptions that are not obvious, such as the taste...

common color mixing models are the additive primary colors (red, green, blue) and the subtractive primary colors (cyan, magenta, yellow). Red, yellow...

Congenital red–green color blindness is an inherited condition that is the root cause of the majority of cases of color blindness. It has no significant...

Red-violet is a rich color of high medium saturation about 3/4 of the way between red and magenta, closer to magenta than to red. In American English,...

arts, purple is a secondary color created by combining red and blue pigments. In the CMYK color model used in modern printing, purple is made by combining...

Carmine color is the general term for some deep red colors that are very slightly purplish but are generally slightly closer to pure red than the color crimson...

dark red. In the sRGB color model for additive color representation, the web color called maroon is created by turning down the brightness of pure red to...

color that is a representation of the color of the flower of the amaranth plant. The color shown is the color of the red amaranth flower (the color normally...

Crimson is a rich, deep red color, inclining to purple. It originally meant the color of the kermes dye produced from a scale insect, Kermes vermilio...

Red wine is a type of wine made from dark-colored grape varieties - (red grapes.) The color of the wine can range from intense violet, typical of young...

mixing red and blue light, with more blue than red. In the RYB color model historically used by painters, violet is created with a combination of red and...

tones of the color coral are orange, red and pink representations of the colors of those cnidarians known as precious corals. The web color coral is a shade...

black or brown eumelanin to yellow or red pheomelanin. Melanin levels can vary over time, causing a person's hair color to change, and one person can have...

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...

states changed "color"; and as of 2024, 35 out of 50 states have voted for the same party in every presidential election since the red-blue terminology...

pairs are red–cyan, green–magenta (one of the purples), and blue–yellow. In the traditional RYB color model, the complementary color pairs are red–green,...

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

its red color from manganese ions incorporated within the beryl crystal structure. The color of red beryl is stable up to 1,000 °C (1,830 °F). Red beryl...

Rose is the color halfway between red, magenta and white on the HSV color wheel, also known as the RGB color wheel, on which it is at hue angle of 330...