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Blue wallpaper HD Collections

Blue wallpaper HD Collections

Here Is a Bunch Of Blue wallpaper HD Collections For Desktops, Laptops, mobiles And Tablets. Here at HDwallpaper20.com, there are more than hundred thousands of Wallpapers are accessible to free of download. You Can Download Every Wallpapers at no cost, Because these Wallpapers are Uploaded By users.

In the event that You Set these HD Wallpapers As Your Background Wallpaper For Your For Desktops or Laptops or Tablets or For Mobiles, That Will Give a Further More great Look For Your Device, Wallpaper Collections Available at HDwallpaper20.com Will Perfectly Fit For the Following Screen Resolutions.

Blue wallpaper HD Collections


Blue wallpaper HD Collections

Blue wallpaper HD Collections


blue wallpaper amore_intima_blue-wide


blue wallpaper blue_sea_ship_sky_1920x1080


blue wallpaper blue-sunny-sky-1920x1080


blue wallpaper blue-water

Blue wallpaper HD Collections


Blue wallpaper HD Collections

Blue wallpaper HD Collections


blue wallpaper rose-drop-water


blue wallpaper sky-blue-abstract-floral-minimal-vector-1920x1080


Sunny Blue Sky HD Desktop Background


blue wallpaper sunshine-blue-sky-1920x1080

Blue wallpaper HD Collections


Blue wallpaper HD Collections

Blue wallpaper HD Collections


blue wallpaper_anime_scenery_blue_sky_and_sea


blue wallpapercool-windows-7-blue-hd-backgrounds




blue-wallpaper-hd graphic

Available wallpaper Sizes by Screen Resolution:

1366×768 Wallpaper, 1920×1080 Wallpaper, 1280×800 Wallpaper, 1440×900 Wallpaper

Little Info About Blue

Blue is the colour between violet and green on the optical spectrum of visible light. Human eyes perceive blue when observing light with a wavelength between 450 and 495 nanometres. Blues with a higher frequency and thus a shorter wavelength gradually look more violet, while those with a lower frequency and a longer wavelength gradually appear more green. Pure blue, in the middle, has a wavelength of 470 nanometres. In painting and traditional colour theory, blue is one of the three primary colours of pigments, along with red and yellow, which can be mixed to form a wide gamut of colours. Red and blue mixed together form violet, blue and yellow together form green. Blue is also a primary colour in the RGB colour model, used to create all the colours on the screen of a television or computer monitor.

The modern English word blue comes from Middle English bleu or blewe, from the Old French bleu, a word of Germanic origin, related to the Old High German word blao. The clear sky and the deep sea appear blue because of an optical effect known as Rayleigh scattering. When sunlight passes through the atmosphere, the blue wavelengths are scattered more widely by the oxygen and nitrogen molecules, and more blue comes to our eyes. Rayleigh scattering also explains blue eyes; there is no blue pigment in blue eyes. Distant objects appear more blue because of another optical effect called atmospheric perspective.

Article Source : Wikipedia

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