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  2. Selective yellow - Wikipedia

    en.wikipedia.org/wiki/Selective_yellow

    The entirety of the basic selective yellow definition lies outside the gamut of the sRGB colour space—such a pure yellow cannot be represented using RGB primaries. The colour swatch above is a desaturated approximation, created by taking the centroid of the standard selective yellow definition at (0.502, 0.477) and moving it towards the D65 white point, until it meets the sRGB gamut triangle ...

  3. Lighting-up time - Wikipedia

    en.wikipedia.org/wiki/Lighting-up_time

    Car headlights in the early evening In the United Kingdom , lighting-up time is a legally-enforced period from half an hour after sunset to half an hour before sunrise , during which all motor vehicles on unlit public roads (except if parked) must use their headlights .

  4. Headlamp - Wikipedia

    en.wikipedia.org/wiki/Headlamp

    The French yellow-light mandate was based on observations by the French Academy of Sciences in 1934, when the academy recorded that the selective yellow light was less dazzling than white light and that the light diffused less in fog than green or blue lights. [citation needed] Yellow light was obtained by dint of yellow glass for the headlight ...

  5. Automotive lighting - Wikipedia

    en.wikipedia.org/wiki/Automotive_lighting

    Selective yellow fog lights. In most countries, weather conditions rarely necessitate the use of front fog lights and there is no legal requirement for them, so their primary purpose is frequently cosmetic. They are often available as optional extras or only on higher trim levels of many cars.

  6. Headlights are blinding us. Here’s why it’s mostly an ...

    www.aol.com/headlights-blinding-us-why-mostly...

    Some ADB headlights work like digital projectors, using a million or more LED pixels to project light patterns on the road. Even in the US, some Mercedes vehicles can project symbols like arrows ...

  7. Is it legal to drive through a yellow light in PA? When the ...

    www.aol.com/news/legal-drive-yellow-light-pa...

    Some states require drivers to stop for yellow lights, but those regulations vary from place to place. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways ...

  8. Talk:Selective yellow - Wikipedia

    en.wikipedia.org/wiki/Talk:Selective_yellow

    Selective Yellow driving lamps are generally legal wherever selective yellow headlamps are or were permitted. Offhand, that means Japan, France, The Netherlands, Switzerland, etc. Finally, your comment that my proposed colour box is too lemony/green seems based on mental comparison to the output from lighting devices equipped with filament lamps.

  9. National Highways traffic officer - Wikipedia

    en.wikipedia.org/wiki/National_Highways_traffic...

    National Highways traffic officer patrol vehicle with some equipment on display at an open house. Traffic officers patrol the motorway network and all-purpose trunk roads [b] in high-visibility patrol vehicles, that feature black and yellow Battenburg liveries, and amber and red rear-facing lighting.