Abstract Hering's Opponent-Colors Theory has been central to understanding color
appearance for 150 years. It aims to explain the phenomenology of colors with two linked …

Colour is an integral part of natural and constructed environments. For many, it also has an
aesthetic appeal, with some colours being more pleasant than others. Moreover, humans …

Color naming in natural languages is not arbitrary: It reflects efficient partitions of perceptual
color space [T. Regier, P. Kay, N. Khetarpal, Proc. Natl. Acad. Sci. USA 104, 1436–1441 …

Understanding and promoting subjective wellbeing (SWB) has been the topic of increasing
research, due in part to its potential contributions to health and productivity. To date, the …

We explore systems of spatial deictic words (such as 'here'and 'there') from the perspective
of communicative efficiency using typological data from over 200 languages Nintemann et …

Previous studies have proposed that the lexicalization of perception verbs is constrained by
a biologically grounded hierarchy of the senses. Other research traditions emphasize …

In this issue of PNAS, Garside et al.(1) report an elegant behavioral study probing for
macaque monkey color categories. Their study addresses a long-standing issue regarding …

The electromagnetic spectrum of light from a rainbow is a continuous signal, yet we perceive
it vividly in several distinct colour categories. The origins and underlying mechanisms of this …

The evolution of basic color terms in language is claimed to be stimulated by technological
development, involving technological control of color or exposure to artificially colored …

Color is a prime example of categorical perception, yet it is unclear why and how color
categories emerge. On the one hand, prelinguistic infants and several animals treat color …