Fluorscence thresholds for some reddish colors

Osvaldo da Pos; Michela Sponga

doi:10.1117/12.464723

6 June 2002 Fluorscence thresholds for some reddish colors

Osvaldo da Pos, Michela Sponga

Proceedings Volume 4421, 9th Congress of the International Colour Association; (2002) https://doi.org/10.1117/12.464723
Event: 9th Congress of the International Color Association, 2001, Rochester, NY, United States

Abstract

The extra-brightness which characterizes fluorescent colors was adjusted to determine the luminance threshold dividing surface and fluorent colors for 7 zero-blackness reddish nuances (NCS notation) following three different psychophysical methods. Results are consistent with Evans' findings that threshold is always lower than surface-white luminance and decreases with chromaticness. When the same colors are observed over an achromatic Mondrian in a black viewing box fluorescence impression not only increases with the sample chromaticness, but also with the general illumination and the anchoring level of the Mondrian.

Citation Download Citation

Osvaldo da Pos and Michela Sponga "Fluorscence thresholds for some reddish colors", Proc. SPIE 4421, 9th Congress of the International Colour Association, (6 June 2002); https://doi.org/10.1117/12.464723

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