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- Kruithof_curve abstract "The Kruithof curve describes a region of illuminance levels and color temperatures that are often viewed as comfortable or pleasing to an observer. The curve was constructed from psychophysical data collected by Dutch physicist Arie Andries Kruithof, though the original experimental data is not present on the curve itself. Lighting conditions within the bounded region were empirically assessed as being pleasing or natural, whereas conditions outside of the region were considered uncomfortable, displeasing or unnatural. The Kruithof curve is a sufficient model for describing pleasing sources that are considered natural or closely resemble Plankian black bodies.For example, natural daylight has a color temperature of 6500 K and an illuminance of about 104 to 105 lux. This color temperature–illuminance pair results in natural color rendition, but if viewed at a low illuminance, would appear bluish. At typical indoor office illuminance levels of about 400 lux, pleasing color temperatures are lower (between 3000 and 6000 K), and at typical home illuminance levels of about 75 lux, pleasing color temperatures are even lower (between 2400 and 2700 K). These color temperature-illuminance pairs are often achieved with fluorescent and incandescent sources, respectively. It is noteworthy that the pleasing region of the curve contains color temperatures and illuminance levels comparable to naturally lit environments.".
- Kruithof_curve thumbnail Kruithof_curve_2.svg?width=300.
- Kruithof_curve wikiPageExternalLink ~davisrg.
- Kruithof_curve wikiPageExternalLink edu13.htm.
- Kruithof_curve wikiPageID "178959".
- Kruithof_curve wikiPageLength "11373".
- Kruithof_curve wikiPageOutDegree "49".
- Kruithof_curve wikiPageRevisionID "697943872".
- Kruithof_curve wikiPageWikiLink Adaptation_(eye).
- Kruithof_curve wikiPageWikiLink Arie_Andries_Kruithof.
- Kruithof_curve wikiPageWikiLink Black_body.
- Kruithof_curve wikiPageWikiLink Candela.
- Kruithof_curve wikiPageWikiLink Candle.
- Kruithof_curve wikiPageWikiLink Category:Color.
- Kruithof_curve wikiPageWikiLink Category:Dutch_inventions.
- Kruithof_curve wikiPageWikiLink Category:Lighting.
- Kruithof_curve wikiPageWikiLink Category:Psychophysics.
- Kruithof_curve wikiPageWikiLink Category:Vision.
- Kruithof_curve wikiPageWikiLink Color_rendering_index.
- Kruithof_curve wikiPageWikiLink Color_temperature.
- Kruithof_curve wikiPageWikiLink Cone_cell.
- Kruithof_curve wikiPageWikiLink Culture.
- Kruithof_curve wikiPageWikiLink Eating.
- Kruithof_curve wikiPageWikiLink Electromagnetic_spectrum.
- Kruithof_curve wikiPageWikiLink Empirical_evidence.
- Kruithof_curve wikiPageWikiLink F.lux.
- Kruithof_curve wikiPageWikiLink Fluorescent_lamp.
- Kruithof_curve wikiPageWikiLink Gas-discharge_lamp.
- Kruithof_curve wikiPageWikiLink Geography.
- Kruithof_curve wikiPageWikiLink Home.
- Kruithof_curve wikiPageWikiLink Illuminance.
- Kruithof_curve wikiPageWikiLink Incandescent_light_bulb.
- Kruithof_curve wikiPageWikiLink Journal_of_the_Optical_Society_of_America.
- Kruithof_curve wikiPageWikiLink Kelvin.
- Kruithof_curve wikiPageWikiLink LED_lamp.
- Kruithof_curve wikiPageWikiLink Light.
- Kruithof_curve wikiPageWikiLink Lighting.
- Kruithof_curve wikiPageWikiLink Luminance.
- Kruithof_curve wikiPageWikiLink Lux.
- Kruithof_curve wikiPageWikiLink Melanopsin.
- Kruithof_curve wikiPageWikiLink Melatonin.
- Kruithof_curve wikiPageWikiLink Office.
- Kruithof_curve wikiPageWikiLink Photoreceptor_cell.
- Kruithof_curve wikiPageWikiLink Plancks_law.
- Kruithof_curve wikiPageWikiLink Psychophysics.
- Kruithof_curve wikiPageWikiLink Purkinje_effect.
- Kruithof_curve wikiPageWikiLink Rod_cell.
- Kruithof_curve wikiPageWikiLink Socialization.
- Kruithof_curve wikiPageWikiLink Spectral_sensitivity.
- Kruithof_curve wikiPageWikiLink Study_skills.
- Kruithof_curve wikiPageWikiLink Sunlight.
- Kruithof_curve wikiPageWikiLink Units_of_measurement.
- Kruithof_curve wikiPageWikiLink Visual_appearance.
- Kruithof_curve wikiPageWikiLink Visual_system.
- Kruithof_curve wikiPageWikiLink File:Kruithof_curve_2.svg.
- Kruithof_curve wikiPageWikiLink File:Red_geranium_photoic_mesopic_scotopic.jpg.
- Kruithof_curve wikiPageWikiLinkText "Kruithof curve".
- Kruithof_curve wikiPageWikiLinkText "cited".
- Kruithof_curve wikiPageUsesTemplate Template:Citation_needed.
- Kruithof_curve wikiPageUsesTemplate Template:Cite_journal.
- Kruithof_curve wikiPageUsesTemplate Template:Color_topics.
- Kruithof_curve wikiPageUsesTemplate Template:Reflist.
- Kruithof_curve subject Category:Color.
- Kruithof_curve subject Category:Dutch_inventions.
- Kruithof_curve subject Category:Lighting.
- Kruithof_curve subject Category:Psychophysics.
- Kruithof_curve subject Category:Vision.
- Kruithof_curve type Element.
- Kruithof_curve type Physic.
- Kruithof_curve type Psychophysic.
- Kruithof_curve type Source.
- Kruithof_curve type Technique.
- Kruithof_curve comment "The Kruithof curve describes a region of illuminance levels and color temperatures that are often viewed as comfortable or pleasing to an observer. The curve was constructed from psychophysical data collected by Dutch physicist Arie Andries Kruithof, though the original experimental data is not present on the curve itself.".
- Kruithof_curve label "Kruithof curve".
- Kruithof_curve sameAs Q6439249.
- Kruithof_curve sameAs Curvas_de_Kruithof.
- Kruithof_curve sameAs Kruithofcurve.
- Kruithof_curve sameAs m.018d_x.
- Kruithof_curve sameAs Кривая_Круитхофа.
- Kruithof_curve sameAs Q6439249.
- Kruithof_curve wasDerivedFrom Kruithof_curve?oldid=697943872.
- Kruithof_curve depiction Kruithof_curve_2.svg.
- Kruithof_curve isPrimaryTopicOf Kruithof_curve.