File:Linear_visible_spectrum.svg
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Summary
DescriptionLinear visible spectrum.svg |
English: A linear representation of the visible light spectrum. Colour ranges were taken from 'CRC Handbook of Fundamental Spectroscopic Correlation Charts' (see w:Visible spectrum). Spectral XYZ locus coordinates were found here. Every 10nm, the spectral locus point was used as the initial point in a search for a matching sRGB colour (assuming "Dim" viewing condition). The search was carried out by a binary search along a line in CIECAM02 JCh space between the spectral point, and a point with 0.3 * brightness (J), 0 chroma (C), and the same hue (h) as the spectral point. The search finished when a point was found that was in sRGB space. The CAT02 matrix was modified as suggested in Brill(2008) to reduce yellow-blue problems by replacing the bottom row (0.0030, 0.0136, 0.9834) with (0,0,1). An iterative smoothing was carried out to eliminate the largest jumps in chroma (greater than 5% change). Code used to generate the colour gradient can be found here.
Esperanto: Koloroj videblaj
Nederlands: Kleurenspectrum
中文(简体):软件模拟的可见光谱。
中文(繁體):軟體模擬的可見光譜。 |
Date | |
Source | Own work |
Author | Gringer |
Other versions |
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Licensing
Public domainPublic domainfalsefalse |
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
This image has been assessed using the Quality image guidelines and is considered a Quality image.
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Items portrayed in this file
depicts
27 August 2008
image/svg+xml
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 07:28, 26 September 2023 | 605 × 115 (11 KB) | Tyroxin | Fixed line of 450 nm touching the box | |
13:19, 25 May 2021 | 605 × 115 (6 KB) | Gringer | Added back stop ids (these have semantic meaning) and minimal indentation | ||
08:22, 16 June 2020 | 605 × 115 (4 KB) | Jarvisa | Simplified SVG source | ||
05:28, 5 August 2010 | 605 × 115 (18 KB) | Gringer | 10-step iterative chroma smoothing, slightly brighter grey point | ||
15:34, 4 August 2010 | 605 × 115 (18 KB) | Gringer | Smoothing applied to largest reduction in saturation (blue to cyan) | ||
14:40, 4 August 2010 | 605 × 115 (18 KB) | Gringer | Only using one adaptation matrix, finer resolution at blue clip point | ||
13:12, 3 August 2010 | 605 × 115 (18 KB) | Gringer | using Chroma-based cartesian coordinates for search | ||
12:44, 3 August 2010 | 605 × 115 (18 KB) | Gringer | Modified MH matrix slightly based on [http://www3.interscience.wiley.com/journal/112396194/abstract this] | ||
11:51, 3 August 2010 | 605 × 115 (18 KB) | Gringer | whoops, that was an older version | ||
11:43, 3 August 2010 | 605 × 115 (13 KB) | Gringer | slightly different MCAT02 matrix, different binary search algorithm |
File usage
- Blue–green distinction in language
- Candela
- Color vision
- Color wheel
- Counter-illumination
- Electromagnetic spectrum
- Far-red light
- Green
- Light
- Magenta
- Photic zone
- Red-violet
- Violet (color)
- Visible spectrum
- Vision in fish
- Talk:Blue–green distinction in language/Archive 1
- Talk:Visible spectrum
- User:Chem507f10grp1/sandbox
- User:Gringer
- User:Mgkrupa/Articles
- User:Negativecharge
- User:RadicalOne/LitterBox
- User:Roscoe x
- Wikipedia:Reference desk/Archives/Science/2012 July 12
- Wikipedia:Ultraviolet
- Template:Spectral colors simple table
- Template:Spectral colors simple table/doc
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Width | 605 |
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Height | 115 |