| Residential and commercial security specialists Residential and commercial security specialistsOSA System Navigation: red (Navigator) or bold (Explorer) = illustrations ///// blue = text Date: This colour-system was commissioned by the Optical Society of America (OSA) and has been in existence since 1960. Country of origin: Optical Society of America, USA Basic colours: Yellow, blue, green and red Form: Cuboctahedron Application: Colour differences can be analysed: science, design, art. Related systems: Summary: The colour-system illustrated can be traced back mainly to Günter Wyszecki, who presented a so-called cuboctohedron based on the experience that each colour-system constructed on the basis of perceived equidistance can be replaced by a regular , in that the spacial lattice-structure can be embedded within an ordered colour-space according to colour-hue, brightness and saturation. The OSA-UCS-System allows scientists to analyse colour differences, and offers designers and artists various colour harmony versions. Bibliography: G. Wyszecki, Farbsysteme, Göttingen 1960. Links: (OSA) If all the corners are sliced off a cube down to the midpoint of each edge, a spacial form will result which mathematicians call a cuboctahedron. Such a structure, with a centre and 12 corner points, was used in 1960 by the Optical Society of America in the design of their . To be more exact, it was the Committee for Uniform Color Scales, ...
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