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The term blue generally describes colours perceived by humans observing light with a dominant wavelength that’s between approximately 450 and 495 nanometres. Most blues contain a slight mixture of other colours; azure contains some green, while ultramarine contains some violet.
The web color light blue is part of the X11 color system, with a hue code of 194. This color is closer to cyan than to blue. Variations of this color are known as sky blue, baby blue, or angel blue. The first recorded use of "light blue" as a color term in English is in the year 1915.
Category:Shades of blue. Wikimedia Commons has media related to Types of blue. This category is for all varieties, not only shades in the technical sense. See also the categories Shades of azure and Shades of cyan.
Blue is a color, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 440–490 nm. It is considered one of the additive primary colors .
This was the first synthetic blue, first made in about 2500 BC. The colour blue has been important in culture, politics, art and fashion since ancient times. Blue was used in ancient Egypt for jewellery and ornament.
Sky blue refers to a collection of shades comparable to that of a clear daytime sky. Typically it is a shade of cyan or light teal , though some iterations are closer to light blue . The term (as "sky blew") is attested from 1681. [1]
Light blue is a color or range of colors, typically a lightened shade with a hue between cyan and blue. The first use of "light blue" as a color term in English is in the year 1915. [2]
Oxford Blue colour #002147. Oxford Blue is the official colour of the University of Oxford. The official Oxford branding guidelines set its definition as Pantone 282, equivalent to the hex code #002147. With a hue code of 212, this colour is a very dark tone of azure.
Blue pigments are natural or synthetic materials, usually made from minerals and insoluble with water, used to make the blue colors in painting and other arts. The raw material of the earliest blue pigment was lapis lazuli from mines in Afghanistan, that was refined into the pigment ultramarine .
Cobalt blue is lighter and less intense than the (iron-cyanide based) pigment Prussian blue. It is extremely stable and historically has been used as a coloring agent in ceramics (especially Chinese porcelain ), jewelry, and paint. Transparent glasses are tinted with the silica-based cobalt pigment "smalt".
