hue
Let an agent explain hue as a colour attribute, relay its definition in colour science and colour models from technical references, describe how shades of named colours relate to hue, and distinguish hue from saturation, lightness, shade and the everyday sense of colour.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify
Researched by: Claude
Purpose and description
Let an agent explain hue as a colour attribute, relay its definition in colour science and colour models from technical references, describe how shades of named colours relate to hue, and distinguish hue from saturation, lightness, shade and the everyday sense of colour.
The attribute of a colour that distinguishes it as red, yellow, green, blue, purple or intermediate, corresponding to the dominant wavelength of light and represented as an angle on a colour wheel, independent of saturation and lightness, so that shades, tints and tones of a hue such as brown, pink, lavender, magenta, violet or chartreuse share the same or neighbouring hue positions; hue is a component of colour models such as HSL and HSV and of colour naming across languages.
What it is for: Not applicable; a colour attribute.
It can be explain the attribute; relay colour models; describe named colour families; distinguish related attributes.
Distinguishing features
Wavelength-related
Circular arrangement
Independent of saturation and lightness
Basis of colour names
What it looks like
Not a visible object as an attribute; the colour wheel position of a colour.
Physical character
hue angle range: 0-360 degrees - in HSL and HSV
visible wavelengths: about 380-750 nm
non-spectral hues: purples and magentas note - mixtures of red and blue
How it is recognised
Colour attribute of redness, yellowness, greenness or blueness
Hue angle in HSL and HSV; shades of brown, pink, lavender, magenta, violet, chartreuse
Saturation is purity; lightness is brightness; a shade is a hue darkened
Related models
is a kind of - in registry terms
is a component of - colour models
is contrasted with - and lightness
is related to - in colorimetry
In practice
Families and kinds
spectral hues from red to violet
non-spectral hues such as magenta
hue in HSL, HSV and Munsell systems
hue in CIELAB and CIECAM models
named colour families and their shades such as brown, pink, lavender, violet and chartreuse
Standards and regulation
CIE colorimetry standards
Munsell and other colour order systems
ISO colour standards for industry
Failure modes and hazards
Confusing hue with colour, shade or tint
Assuming hue names are universal across languages
Colour vision deficiency affecting hue perception
Also called
Where this came from
wikidata · CC0 1.0
Also registered as vr.tr.hue
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.
Understand What hue is.
Science.
Definition
Definition.
Definition
Definition.
- What is hue, and how does it differ from saturation, lightness, shade and tint? definition
- Is the question about hue as an attribute, a colour model or a named colour? boundary
Wheel
Colour wheel and models.
Wheel
Wheel.
- How is hue represented on the colour wheel and in HSL, HSV, Munsell and CIELAB? definition
- Which entry fits the specific model? action
Science Perception and measurement.
Science.
Perception
Perception.
Perception
Perception.
- How do cone cells and opponent processes produce hue perception, and what are unique hues? provenance
- Which references are standard? provenance
Measurement
Measurement.
Measurement
Measurement.
- How is hue measured in colorimetry, and what is dominant wavelength? provenance
- Which sources are cited? provenance
Apply Applications.
Application.
Design
Design and art.
Design
Design.
- How do designers and artists use hue in colour schemes and harmony? provenance
- Which entry fits colour theory? action
Names
Colour names.
Names
Names.
- How do named colours such as brown, pink, lavender, magenta, violet and chartreuse relate to hue, and how do languages differ? provenance
- Which entry fits the specific colour? action
Context Culture and history.
Context.
Culture
Culture.
Culture
Culture.
- How do cultures and languages divide the hue circle, as linguists and anthropologists report? provenance
- Which entry fits colour term? action
History
History.
History
History.
- How did Newton, Goethe, Munsell and others develop the understanding of hue? provenance
- Which entry fits the history of colour theory? action
What the second pass must settle
- Should HSL and HSV and colour wheel be separate primary entries?
- How should colour science references be linked?
- The registry entry has merged aliases naming shade families; should they be split off?