# Why colour is complex: Evidence that bees perceive neither brightness nor green contrast in colour signal processing

> Research article (FACETS, 2018) · cited 40× · AI/ML

**Wikidata**: [openalex:W2887347112](https://www.wikidata.org/wiki/openalex:W2887347112)  
**Source**: https://4ort.xyz/entity/why-colour-is-complex-evidence-that-bees-perceive-neither-brightness-nor-green-contrast-in-colour-signal-processing