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Quantitative and Qualitative Evaluation of IES TM-30 Indices for the Color Preference of Landscape Oil Paintings.

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Title: Quantitative and Qualitative Evaluation of IES TM-30 Indices for the Color Preference of Landscape Oil Paintings.
Authors: Lin, Ching-Wei1 (AUTHOR) jingwei.edu@gmail.com, Jost-Boissard, Sophie2 (AUTHOR), Meuret, Youri1 (AUTHOR), Smet, Kevin A. G.1 (AUTHOR)
Source: Leukos. Jul2026, Vol. 22 Issue 4, p461-484. 24p.
Subjects: Painting, Lighting design, Chromaticity, Museum exhibits, Spectroscopic light sources, Color in design
Abstract: ANSI/IES TM-30-24 Annex E provides guidelines for evaluating the color rendition performance of interior lighting, which is incorporated in the latest ANSI/IES RP-30-20 standard as a guide for museum lighting designers. However, one general guideline may not be suitable for all types of museum exhibitions. This study investigates the relationship between TM-30 indices and preference for landscape oil paintings, assesses the applicability of TM-30 color preference criteria, and examines whether the results depend on the painting color composition. Nine 3000 K lighting spectra were systematically generated with varying Rf, Rg, and best-fit ellipse rotation angles ψ on the color vector graph. Through a two-alternative-forced-choice paired comparison, the preference of 18 participants for six landscape oil paintings with various colors was evaluated. Their choices were converted to quantitative interval scores for each spectrum. Based on the statistical difference between scores, the preference criteria were adjusted by lowering Rf thresholds and dividing the most preferred level into two levels. The less-strict Rf requirement might be attributed to the lack of memory color for unfamiliar paintings. Repeated measures ANOVAs revealed that the six paintings can be classified into two groups of three paintings: a high-Rcs,h1-preferred group and a high-Rg-preferred group. Quantitative answers from participants to questionnaires provided potential methods for categorizing paintings into these groups. This study concludes with three recommendations for narrowing the selection of luminaires for landscape oil paintings: one for each group, and the adjusted preference criteria for paintings that cannot be clearly classified into either group. [ABSTRACT FROM AUTHOR]
Copyright of Leukos is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: Quantitative and Qualitative Evaluation of IES TM-30 Indices for the Color Preference of Landscape Oil Paintings.
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  Data: <searchLink fieldCode="AR" term="%22Lin%2C+Ching-Wei%22">Lin, Ching-Wei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jingwei.edu@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Jost-Boissard%2C+Sophie%22">Jost-Boissard, Sophie</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Meuret%2C+Youri%22">Meuret, Youri</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Smet%2C+Kevin+A%2E+G%2E%22">Smet, Kevin A. G.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Leukos%22">Leukos</searchLink>. Jul2026, Vol. 22 Issue 4, p461-484. 24p.
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  Data: <searchLink fieldCode="DE" term="%22Painting%22">Painting</searchLink><br /><searchLink fieldCode="DE" term="%22Lighting+design%22">Lighting design</searchLink><br /><searchLink fieldCode="DE" term="%22Chromaticity%22">Chromaticity</searchLink><br /><searchLink fieldCode="DE" term="%22Museum+exhibits%22">Museum exhibits</searchLink><br /><searchLink fieldCode="DE" term="%22Spectroscopic+light+sources%22">Spectroscopic light sources</searchLink><br /><searchLink fieldCode="DE" term="%22Color+in+design%22">Color in design</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: ANSI/IES TM-30-24 Annex E provides guidelines for evaluating the color rendition performance of interior lighting, which is incorporated in the latest ANSI/IES RP-30-20 standard as a guide for museum lighting designers. However, one general guideline may not be suitable for all types of museum exhibitions. This study investigates the relationship between TM-30 indices and preference for landscape oil paintings, assesses the applicability of TM-30 color preference criteria, and examines whether the results depend on the painting color composition. Nine 3000 K lighting spectra were systematically generated with varying Rf, Rg, and best-fit ellipse rotation angles ψ on the color vector graph. Through a two-alternative-forced-choice paired comparison, the preference of 18 participants for six landscape oil paintings with various colors was evaluated. Their choices were converted to quantitative interval scores for each spectrum. Based on the statistical difference between scores, the preference criteria were adjusted by lowering Rf thresholds and dividing the most preferred level into two levels. The less-strict Rf requirement might be attributed to the lack of memory color for unfamiliar paintings. Repeated measures ANOVAs revealed that the six paintings can be classified into two groups of three paintings: a high-Rcs,h1-preferred group and a high-Rg-preferred group. Quantitative answers from participants to questionnaires provided potential methods for categorizing paintings into these groups. This study concludes with three recommendations for narrowing the selection of luminaires for landscape oil paintings: one for each group, and the adjusted preference criteria for paintings that cannot be clearly classified into either group. [ABSTRACT FROM AUTHOR]
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  Label:
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  Data: <i>Copyright of Leukos is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1080/15502724.2025.2566689
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        Text: English
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      – SubjectFull: Lighting design
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      – SubjectFull: Chromaticity
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      – SubjectFull: Museum exhibits
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      – SubjectFull: Spectroscopic light sources
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      – SubjectFull: Color in design
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      – TitleFull: Quantitative and Qualitative Evaluation of IES TM-30 Indices for the Color Preference of Landscape Oil Paintings.
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              Text: Jul2026
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