# Helmholtz–Kohlrausch effect

> perceptual phenomenon

**Wikidata**: [Q5709374](https://www.wikidata.org/wiki/Q5709374)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Helmholtz–Kohlrausch_effect)  
**Source**: https://4ort.xyz/entity/helmholtz-kohlrausch-effect