colour temperature: meaning, definition, pronunciation and examples
C1-C2Technical, Professional
Quick answer
What does “colour temperature” mean?
A scientific measure of the hue of a light source, expressed in kelvins (K), indicating whether light appears warm (yellow-red) or cool (blue-white).
Audio
Pronunciation
Definition
Meaning and Definition
A scientific measure of the hue of a light source, expressed in kelvins (K), indicating whether light appears warm (yellow-red) or cool (blue-white).
In photography, cinematography, and lighting design, it refers to the relative warmth or coolness of white light, affecting mood and colour rendition. Metaphorically, it can describe the overall emotional 'tone' of a visual scene.
Dialectal Variation
British vs American Usage
Differences
Spelling: 'colour temperature' (UK), 'color temperature' (US). No other significant usage differences.
Connotations
Identical technical connotations in both varieties.
Frequency
Equally common in relevant technical fields (photography, lighting, display technology) in both regions.
Grammar
How to Use “colour temperature” in a Sentence
The [light source] has a colour temperature of [number] K.Adjust the colour temperature to [number] K.The colour temperature is [too warm/too cool].Vocabulary
Collocations
Examples
Examples of “colour temperature” in a Sentence
verb
British English
- We need to colour-temperature the scene to match the sunset.
American English
- The software can color-temperature the raw files automatically.
adjective
British English
- The colour-temperature setting was crucial for the shoot.
American English
- Check the color-temperature calibration on the monitor.
Usage
Meaning in Context
Business
Used in marketing for lighting products, monitors, and TVs (e.g., 'This monitor features adjustable color temperature for graphic design.').
Academic
Central term in optics, photography, visual arts, and display technology research papers.
Everyday
Used by photographers, videographers, and home decor enthusiasts when discussing lighting (e.g., 'I need a bulb with a warmer colour temperature for the bedroom.').
Technical
Precise term in photography (white balance), lighting design, television production, and display calibration.
Vocabulary
Synonyms of “colour temperature”
Neutral
Weak
Vocabulary
Antonyms of “colour temperature”
Watch out
Common Mistakes When Using “colour temperature”
- Pronouncing 'kelvin' as 'calvin'. /ˈkɛlvɪn/ is correct.
- Confusing colour temperature with brightness (lumens) or intensity.
- Saying 'the colour temperature is red' instead of 'the colour temperature is warm/low'.
FAQ
Frequently Asked Questions
Counter-intuitively, a higher colour temperature (e.g., 6500K) appears visually 'cooler' (bluish). Lower temperatures (e.g., 2700K) appear 'warmer' (yellow-red).
Colour temperature is a property of the light source. White balance is a camera or display setting that *compensates for* the colour temperature to make whites appear neutral.
It is based on the theoretical colour of light emitted by a 'black-body radiator' heated to that temperature. A heated object glows red, then white, then blue as its temperature in Kelvins increases.
When buying light bulbs (LED/warm white/cool white), adjusting TV/monitor settings, or in photography/videography software under 'WB' (White Balance) or 'Temperature' sliders.
A scientific measure of the hue of a light source, expressed in kelvins (K), indicating whether light appears warm (yellow-red) or cool (blue-white).
Colour temperature is usually technical, professional in register.
Colour temperature: in British English it is pronounced /ˈkʌlə ˌtɛmp(ə)rətʃə/, and in American English it is pronounced /ˈkʌlɚ ˌtɛmp(ə)rətʃər/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “(No common idioms use this technical term)”
Learning
Memory Aids
Mnemonic
Think of heating a metal bar: first it glows red (warm, low K), then white (hotter, medium K), then blue (very hot, high K). Colour temperature works the same way.
Conceptual Metaphor
TEMPERATURE IS COLOUR / HEAT IS HUE. We describe reddish light as 'warm' and bluish light as 'cool', mapping thermal sensation onto visual perception.
Practice
Quiz
Which statement about colour temperature is correct?