huemonitor

noun
UK /ˈhjuːˌmɒnɪtə/
US /ˈhjuːˌmɑːnɪtər/

A hue monitor is a tool that watches the colors on a screen and tells you if they look right.

The artist used a hue monitor to make sure the colors in her painting looked the same on every screen.


OTHER MEANINGS

2. A person who keeps an eye on how colors are used in a design or product.

The hue monitor on the team approved the new logo colors.

3. A software feature that warns you when colors change unexpectedly.

The hue monitor popped up a warning when the image turned too green.

4. A device that tracks the shade of a light source over time.

The hue monitor showed that the lamp's glow slowly shifted from warm to cool.