Blue Wallpaper Biography
Blue is a colour, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 450–490 nm. It is considered one of the additive primary colours. On the HSV Colour Wheel, the complement of blue is yellow; that is, a colour corresponding to an equal mixture of red and green light. On a colour wheel based on traditional colour theory (RYB) where blue was considered a primary colour, its complementary colour is considered to be orange (based on the Munsell colour wheel).[2]
In Modern English, "blue" is one of the basic colour terms, and one of the seven spectral colours, intermediate between violet (purple) and cyan. It comprises a considerable number of identifiable subcategories that can be identified with descriptive terms like navy blue (a dark blue), cyan blue (or "blue-green", on the boundary to the green range), or sky blue (azure).
The word itself was loaned into Middle English from the Old French word bleu, blo "pale, pallid, discoloured; blue, blue-grey", itself from an Old Frankish *blao.
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![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_vHBOMbf4aI7jWGG5COTzmEg80nW0TDo2mQ6cTZ3iSHnLUBYnMC2RqafuP3WX0c5I2t_KhOaBLEgSujymAcgK2huDlNdLJb-e7VP99GNh6Q8Z680XVb14aSvX-dzHHNpQXgdqYl3AQ_20rRbx137cZpusnxnzHt9LR6FPtI=s0-d)
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_vk8-EQjIaO1ufL4AV-K6MerLlUq9RbY9_2B6HPfR16PMiSEUM4BqIrngWiMZ2hqnnYoyEMVF-hprIjMju7DO2Ki2c7p-4Cyzy9e2-NAuLz6imo47c1w1643s7J0Qh01rLUAeBU7g=s0-d)
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_sqMLQEE7V2IWgnjvDGv4XHzwVAijWQrjH3yZ09D0ig4IDnnWgaWS1LPHNMs6XQIf1vDg59LNXhtdb2ztO7kpoDyBbCyqKZTALiNe8Z9oGwTJh6KNjGA4G1F0GPbPNQ_74M5hJI1No8rI7SguwiIAHyzp6puiOSPSw=s0-d)
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_tFz8LN9iLw08XdbxZP-Nz-WMJbJY2YSSRzMXZRjxw5KZDY8TrW6udu11yWtUi13weEczFShDze_dXRAfiuGwws94vlbOjCmRNW55l_Q2y6S_KjILxurL6789qBXlQZ1H2ZcQvaIg=s0-d)
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_vZSh-k61S83VSciufpBTOzUcTXxR1BQ_zMu5CbhuA7BkMCAQLGyjII950IYcFQqOOC9qXXVtA4BwdzH72E2trsVYstK7yH2a7dfHn6UeXMAywTp8KN0tVl8WfbS-yyAsFiFRvfksa8ntGwzSnl-9uKuBfi2f-1aD5iDg=s0-d)
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_s2icXTtKHjCADQTj_XiH6nSzzqQ0yYeD8Fn8CI3pjSBClNblYQPfFGdY_I6_EeJcNBp06UK1Hzb8qd2u83PyGBRLznxHfcyFXV-YyCezAjUfYkjVBmAaP65RXgAnwYh7eWLjZW=s0-d)
![](//3.bp.blogspot.com/_oigT0GOX_oY/TUaTlfPGinI/AAAAAAAAAY4/vRKqMIto7q4/s400/The-best-top-desktop-blue-wallpapers-blue-wallpaper-blue-background-hd-25.jpg)
Blue is a colour, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 450–490 nm. It is considered one of the additive primary colours. On the HSV Colour Wheel, the complement of blue is yellow; that is, a colour corresponding to an equal mixture of red and green light. On a colour wheel based on traditional colour theory (RYB) where blue was considered a primary colour, its complementary colour is considered to be orange (based on the Munsell colour wheel).[2]
In Modern English, "blue" is one of the basic colour terms, and one of the seven spectral colours, intermediate between violet (purple) and cyan. It comprises a considerable number of identifiable subcategories that can be identified with descriptive terms like navy blue (a dark blue), cyan blue (or "blue-green", on the boundary to the green range), or sky blue (azure).
The word itself was loaned into Middle English from the Old French word bleu, blo "pale, pallid, discoloured; blue, blue-grey", itself from an Old Frankish *blao.
Blue Wallpaper
Blue Wallpaper
Blue Wallpaper
Blue Wallpaper
Blue Wallpaper
Blue Wallpaper
Blue Wallpaper
Blue Wallpaper
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