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_soJy7ulKz1F-3xIP-VpJ33wkzXqnQowJED1ZmqkeuvP6uzPgKgPtTVHMo5dcCt84cVffea1mSw3PDa5LrGqdC-A9JXlMmeFJBGGBnMZG-PYyz6MzRYONg1Ou3XE5VDhW2JNI7Uzg=s0-d)
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_uEzKAgsKsKqNsb4spOVB-IO4qpKeIqXF7fLizChsbSaX6Gj7nX_UZQhLXpDafvpbTyhMY3IfYLX8NNsA9PSmHINFelzAc3ot-GV19GJejsQWiHsBx1e4_bTnhV796bn01NkUGm0YunDeUvthrlFH_ajK15trioXgutWQ=s0-d)
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![](//3.bp.blogspot.com/_oigT0GOX_oY/TUaTlfPGinI/AAAAAAAAAY4/vRKqMIto7q4/s280/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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