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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 ...

    • #FF0000
    • X11
    • (0°, 100%, 100%)
    • Approx. 625–740 nm
  2. The color is defined as red in the NCS or Natural Color System (NCS 1080-R). The Natural Color System is a color system based on the four unique hues or psychological primary colors red, yellow, green, and blue. The NCS is based on the opponent process theory of vision.

    • (0°, 100%, 100%)
    • ~630–740 nm
  3. Wikizionario contiene il lemma di dizionario «lista dei colori; contiene immagini o altri file su ; Collegamenti esterni. IT) Encycolorpedia, su encycolorpedia.it. (EN) List of colors, su colorhexa.com

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

    Il rosso è uno dei colori dello spettro percepibile dall' occhio umano, classificato come "colore caldo". Ha la frequenza minore e, conseguentemente, la lunghezza d'onda più lunga rispetto a tutti gli altri colori visibili (tra 625 e 740 nanometri circa). Frequenze ancora minori ricadono nell' infrarosso .

  5. 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.

  6. en.wikipedia.org › wiki › ColorColor - Wikipedia

    The theory of color includes the color complements; color balance; and classification of primary colors (traditionally red, yellow, blue), secondary colors (traditionally orange, green, purple) and tertiary colors.