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  1. en.wikipedia.org › wiki › RedRed - Wikipedia

    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

      The color is defined as red in the NCS or Natural Color...

    • History

      Red was the color of communist parties from Eastern Europe...

    • Category:Shades

      Various shades of the color red. This category is for all...

  2. Wikizionario contiene il lemma di dizionario « lista dei colori ». Wikimedia Commons contiene immagini o altri file su lista dei colori.

  3. Red is the color that is on the edge of the rainbow. It is one of the primary colors (colors that can be mixed with other colors) of light. The others are blue and green. Red light has a wavelength between 630 and 740 nanometers. Red paint can be made by mixing yellow paint and magenta paint.

  4. it.wikipedia.org › wiki › RGBRGB - Wikipedia

    RGB è un modello di colori le cui specifiche sono state descritte nel 1936 dalla CIE. La stampa di immagini formate con la combinazione di questi colori è detta tricromia.