Color Temperature Meter+
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About this app
Measure the color temperature of any light source in Kelvin using your phone camera. Color Temperature Meter+ uses the McCamy formula to deliver accurate readings for photographers, videographers, and lighting designers.
REAL-TIME KELVIN DISPLAY
Point your camera at any light source and get an instant color temperature reading in Kelvin. Watch the value update live as you move through different lighting environments.
SPECTRUM BAR
A beautiful gradient bar shows where your current reading falls on the color temperature spectrum, from warm candlelight to cool daylight.
LIGHT TYPE CLASSIFICATION
The app automatically identifies your light source — tungsten, halogen, fluorescent, LED, daylight, overcast, and more.
WHITE BALANCE SUGGESTIONS
Get camera-specific white balance recommendations for Sony, Canon, and Fuji systems. Set your camera's WB with confidence.
FREEZE MODE
Tap to freeze the current reading. Compare multiple light sources without losing your measurement.
MIRED DISPLAY
Switch between Kelvin and Mired (MicroReciprocal Degrees) for precise color correction filter calculations.
HISTORY
Review past measurements with timestamps. Compare lighting conditions across different locations and times.
Essential for photographers matching ambient light, videographers ensuring color consistency across scenes, and lighting designers creating the perfect atmosphere.
REAL-TIME KELVIN DISPLAY
Point your camera at any light source and get an instant color temperature reading in Kelvin. Watch the value update live as you move through different lighting environments.
SPECTRUM BAR
A beautiful gradient bar shows where your current reading falls on the color temperature spectrum, from warm candlelight to cool daylight.
LIGHT TYPE CLASSIFICATION
The app automatically identifies your light source — tungsten, halogen, fluorescent, LED, daylight, overcast, and more.
WHITE BALANCE SUGGESTIONS
Get camera-specific white balance recommendations for Sony, Canon, and Fuji systems. Set your camera's WB with confidence.
FREEZE MODE
Tap to freeze the current reading. Compare multiple light sources without losing your measurement.
MIRED DISPLAY
Switch between Kelvin and Mired (MicroReciprocal Degrees) for precise color correction filter calculations.
HISTORY
Review past measurements with timestamps. Compare lighting conditions across different locations and times.
Essential for photographers matching ambient light, videographers ensuring color consistency across scenes, and lighting designers creating the perfect atmosphere.
Color temperature meter: measure light in Kelvin and set white balance
Updated on
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What’s new
Accuracy fix. The camera's automatic white balance was cancelling out the very colour cast being measured, so readings drifted and often settled near daylight whatever the light source; white balance is now held steady while measuring. Readings are also flagged when a bright lamp saturates the sensor or the scene is too dark to trust. Also fixes a startup crash seen on some devices.
