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  2. Shades of black - Wikipedia

    en.wikipedia.org/wiki/Shades_of_black

    ISCC–NBS descriptor. Black. B: Normalized to [0–255] (byte) Black. #000000. Black is a color, the perception of which is evoked by the total absence of light that stimulates any of the three types of color sensitive cone cells in the human eye and with very low brightness compared to the surroundings.

  3. List of electronic color code mnemonics - Wikipedia

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

    The first letter of the color code is matched by order of increasing magnitude. The electronic color codes, in order, are: 0 = Black; 1 = Brown; 2 = Red; 3 = Orange; 4 = Yellow; 5 = Green; 6 = Blue; 7 = Violet; 8 = Gray; 9 = White; Easy to remember. A mnemonic which includes color name(s) generally reduces the chances of confusing black and brown.

  4. Hospital emergency codes - Wikipedia

    en.wikipedia.org/wiki/Hospital_emergency_codes

    Code black: bomb threat/suspicious package; Code blue: cardiac arrest/medical emergency; Code brown: chemical spill/hazardous material; Code green: evacuation; Code grey: shelter in place/air exclusion; Code orange: mass casualty incident; Code purple: hostage situation; Code red: fire; Code white: violence/aggression; Code yellow: missing patient

  5. Web colors - Wikipedia

    en.wikipedia.org/wiki/Web_colors

    Web colors are colors used in displaying web pages on the World Wide Web; they can be described by way of three methods: a color may be specified as an RGB triplet, in hexadecimal format (a hex triplet) or according to its common English name in some cases.

  6. Black Codes (United States) - Wikipedia

    en.wikipedia.org/wiki/Black_Codes_(United_States)

    Black Codes restricted black people's right to own property, conduct business, buy and lease land, and move freely through public spaces. A central element of the Black Codes were vagrancy laws. States criminalized men who were out of work, or who were not working at a job whites recognized.

  7. List of RAL colours - Wikipedia

    en.wikipedia.org/wiki/List_of_RAL_colours

    Below is a list of RAL Classic colours [1] from the RAL colour standard. Alongside every colour, the corresponding values are given for: hexadecimal triplet for the sRGB colour space, approximating the given RAL colour. sRGB value. Grey value calculated from (0.2126 × red) + (0.7152 × green) + (0.0722 × blue) [10]

  8. List of colors (alphabetical) - Wikipedia

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

    RGB Color List. #FFCCCC. #FFC0C0. #FF9999. #FF8080. #FF6666. #FF4040. #FF3333. #FF0000.

  9. 25-pair color code - Wikipedia

    en.wikipedia.org/wiki/25-pair_color_code

    25-pair color code Pair no. Major color Minor color 1: White: Blue 2: Orange 3: Green 4: Brown 5: Slate 6: Red: Blue 7: Orange 8: Green 9: Brown 10: Slate 11: Black: Blue 12: Orange 13: Green 14: Brown 15: Slate 16: Yellow: Blue 17: Orange 18: Green 19: Brown 20: Slate 21: Violet: Blue 22: Orange 23: Green 24: Brown 25: Slate

  10. Electronic color code - Wikipedia

    en.wikipedia.org/wiki/Electronic_color_code

    An electronic color code or electronic colour code (see spelling differences) is used to indicate the values or ratings of electronic components, usually for resistors, but also for capacitors, inductors, diodes and others. A separate code, the 25-pair color code, is used to identify wires in some telecommunications cables.

  11. Shades of brown - Wikipedia

    en.wikipedia.org/wiki/Shades_of_brown

    Shades of brown can be produced by combining red, yellow, and black [1] pigments, or by a combination of orange and black —illustrated in the color box. The RGB color model, that generates all colors on computer and television screens, makes brown by combining red and green light at different intensities. Brown color names are often imprecise ...