Infrared as a colour name in art contexts is used to describe the most extreme hot pink-magenta — colours that feel as if they are beyond the visible spectrum, burning with invisible heat. The association with infrared radiation (heat imaging) gives the colour its sense of thermal intensity.

Intense, thermal, and boundary-pushing. Infrared is colour at its most aggressive — it suggests heat, emergency, and the limits of visible experience. Associated with neon signs, thermal imaging, and the particular energy of late-night urban environments. It is a colour that feels hotter than it looks.

The Barbiecore aesthetic of 2023 brought extreme hot pink into mainstream cultural conversation — Infrared sits at the most intense edge of this colour family. In thermal imaging, the hottest areas are shown in red and white while cooler areas appear in blue and purple — the visual vocabulary of scientific imaging has influenced artistic use of these intense hot colours.