The UNL trichromatic colorimeter

Kevin W. Houser, Xin Hu

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


The UNL trichromatic colorimeter was designed to perform color-matching experiments under a range of stimulus conditions. The colorimeter can be set up with a conventional 10° structure-free bipartite viewing field (either horizontally or vertically bisected) but can also be configured for field sizes as large as 102° (wide) × 50° (high), and depth cues can be introduced into the viewing field. This article documents the construction and performance of the apparatus, including the structural components, light sources, optics, filters, and instrumentation. Maxwell method CMFs measured at a homogeneous 10° horizontally bisected field are reported with results that compare favorably with CMFs reported by Thornton under similar stimulus conditions.

Original languageEnglish (US)
Pages (from-to)209-220
Number of pages12
JournalColor Research and Application
Issue number3
StatePublished - Jun 2005

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering
  • Human Factors and Ergonomics


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