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Colour4Free A Resource for Information Concerning Colour Science |
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Colour4Free |
Changes: Add Section H52 to "Colour in Materials" |
29 May 2020 |
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Colour4Free A Resource for Information Concerning Colour Science |
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Colour4Free |
Changes: Add Section H52 to "Colour in Materials" |
29 May 2020 |
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Colour4Free provides a web resource for information concerning colour science. There are five sections and each section provides access to a different type of colour related document. These include: |
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Adobe PDF files; |
Excel spreadsheets; |
Diagrams; |
Images; |
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Links to colour related resources on the World Wide Web. The most generally useful document formats have been chosen that provide compact files for rapid downloading. |
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Documents: In web page and PDF format. Topics include: |
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Eye and Vision : Describing Colour, Structure of the Eye, Colour Vision, Impaired Colour Vision, Colour Vision Theory Materials and Lamps : Nature of Light, Light Materials and Colour, Lamps and Colour, Types of Colorant, Properties of Colorants, Colorants for Printing, Tests of Colorants Specifying Colour : Colour Order Systems, Colour Numbers RGB, Colour Numbers XYZ, Colour Numbers Lab, Colour Numbers sRGB, Colour Difference Visual, Colour Difference Instrumental, Colour Measurement Display and Print: Electronic Displays, Image RGB to XYZ, Four Colour Printing, Print CYMK to XYZ, Management of Images, Measurement of Print Colour in Materials : Types of Coloured Material, Relating Colour to Composition, Colour Formulation Prediction |
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Spreadsheets: In Microsoft Excel format (XLS). Topics include: |
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General : Reflectance Synthesizer, CIEDE2000, XYZ to Dominant Wavelength, Lab to RGB, Colour Convert XYZ, Yxy, L*a*b*, L*C*h, Lu'v', L*u*v* Colour Atlas and Guide : Search for panels that match the colour of a target shade in the NCS Colour Atlas, Munsell Color Atlas, Pantone Guide (coated) |
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Diagrams: In Window Metafile format (WMF). Topics include: |
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General : Eye Cross Section, Retina Cross Section, Subtractive Colour Mixing, Colours of the Spectrum Light Sources : Daylight (D65) Spectral Power Distribution, Daylight (D50) Spectral Power Distribution, Cool White Fluorescent (F2), Tungsten Filament Lamp (A) |
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Images: In portable network graphics format (PNG). Topics include: |
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General : Eye in Face, Eye with Muscles, Eye Cross Section, Rods and Cones
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