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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 625–740 nanometres. It is a primary color in the RGB color model and a secondary color (made from magenta and yellow) in the CMYK color model, and is the complementary color ...
Shades of red - Wikipedia. Varieties of the color red may differ in hue, chroma (also called saturation, intensity, or colorfulness) or lightness (or value, tone, or brightness ), or in two or three of these qualities.
Se considera que el rojo es un color cálido, con una relación con el fuego y la incandescencia. El rojo estándar puede verse en el recuadro de la derecha, arriba; los valores que se dan debajo corresponden al mismo. La denominación de color rojo abarca al conjunto de coloraciones similares al estándar: rojizas. 4 .
Colores. La siguiente es una lista de colores para los cuales se dan los valores hexadecimales, RGB y HSV. Para una relación de colores ordenados alfabéticamente, véase Anexo:Colores por orden alfabético.
Red was the color of communist parties from Eastern Europe to Cuba to Vietnam. In the late 19th and early 20th century, the German chemical industry invented two new synthetic red pigments: cadmium red, which was the color of natural vermilion, and mars red, which was a synthetic red ochre, the color of the very first natural red ...
Red is the color of heat and blood, so it is associated with energy, war, danger, strength, and power, as well as passion, desire and love. Red is an emotionally intense color. It is very easy to notice, which is why stop signs, stoplights, and fire equipment are usually painted red. In heraldry, red is often used to indicate courage.
red, in physics, the longest wavelength of light discernible to the human eye. It falls in the range of 620–750 nanometres in the visible spectrum. In art, red is a colour on the conventional colour wheel, located between violet and orange and opposite green, its complementary colour.
