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  2. Shades of blue - Wikipedia

    en.wikipedia.org/wiki/Shades_of_blue

    Air force blue, also known as RAF blue, is used by the Royal Air Force, the first air force to choose an "air force blue" color by which to identify itself, in 1920. The color "air force blue" is a medium tone of azure since it has a hue code of 204 which is a hue code between 195 and 225, signifying a tone of azure.

  3. List of RAL colours - Wikipedia

    en.wikipedia.org/wiki/List_of_RAL_colours

    Green blue: RAL 5002: Ultramarine blue: RAL 5003: Sapphire blue: RAL 5004: Black blue: RAL 5005: Signal blue: RAL 5007: Brilliant blue: RAL 5008: Grey blue: RAL 5009: Azure blue: RAL 5010: Gentian blue: U8 line of the Berlin U-Bahn: RAL 5011: Steel blue: RAL 5012: Light blue: U7 line of the Berlin U-Bahn: RAL 5013: Cobalt blue: Deutsche ...

  4. Blue - Wikipedia

    en.wikipedia.org/wiki/Blue

    Blue is one of the three primary colours in the RYB colour model (traditional colour theory), ... Color Codes: Modern Theories of Color in Philosophy, ...

  5. List of electronic color code mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_electronic_color...

    Blue: 6 Violet: 7 Grey: 8 White: ... The first letter of the color code is matched by order of increasing magnitude. The electronic color codes, in order, are: 0 ...

  6. Hospital emergency codes - Wikipedia

    en.wikipedia.org/wiki/Hospital_emergency_codes

    Abolishing all color codes was suggested. [21] In 2016, the Texas Hospital Association encouraged the use of standardized plain language emergency alerts at all Texas hospitals. [22] The only color code that was still recommended was "code blue," meaning a cardiac arrest.

  7. List of colors (alphabetical) - Wikipedia

    en.wikipedia.org/wiki/List_of_colors_(alphabetical)

    This is an accepted version of this page This is the latest accepted revision, reviewed on 14 December 2024. For other color lists, see Lists of colors. This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "List of colors" alphabetical ...

  8. Web colors - Wikipedia

    en.wikipedia.org/wiki/Web_colors

    In some uses, hexadecimal color codes are specified with notation using a leading number sign (#). [1] [2] A color is specified according to the intensity of its red, green and blue components, each represented by eight bits. Thus, there are 24 bits used to specify a web color within the sRGB gamut, and 16,777,216 colors that may be so specified.

  9. List of colors: A–F - Wikipedia

    en.wikipedia.org/wiki/List_of_colors:_A–F

    This is an accepted version of this page This is the latest accepted revision, reviewed on 11 January 2025. Colors are an important part of visual arts, fashion, interior design, and many other fields and disciplines. The following is a list of colors. A number of the color swatches below are taken from domain-specific naming schemes such as X11 or HTML4. RGB values are given for each swatch ...