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2026-06-30·5 min read

Color Temperature and White Balance for Photographers: A Practical Guide

Incorrect white balance is one of the most common causes of photos that look off. Here is how color temperature works and how to get white balance right every time.

What Color Temperature Is

Color temperature is measured in Kelvin (K) and describes the warmth or coolness of a light source. Lower Kelvin values are warmer (more orange/yellow) and higher values are cooler (more blue). Common reference points:

  • Tungsten/incandescent bulbs: 3200K (very warm/orange)
  • Sunrise and sunset: 3500-4000K
  • Daylight/midday sun: 5500K (neutral)
  • Overcast sky: 6500K (slightly cool/blue)
  • Open shade: 7000K (noticeably blue)

What White Balance Does

White balance adjusts the camera's color processing to render a neutral white under whatever lighting conditions you are in. If your white balance is set correctly, white objects look white. If it is wrong, whites look orange (too low a WB setting for warm light) or blue (too high a WB setting for cool light).

White Balance Presets

Most cameras include presets for common lighting conditions:

  • Daylight/Sunny: For direct outdoor sun around midday
  • Shade: For subjects in open shade outdoors — adds warmth to compensate for the blue cast of shade
  • Cloudy: For overcast days — slightly warmer than Daylight
  • Tungsten: For incandescent/bulb light indoors — adds significant blue to counteract the orange cast
  • Fluorescent: For office or commercial fluorescent lighting

Auto White Balance (AWB)

AWB is reliable for outdoor shooting in consistent lighting. It becomes less reliable under mixed lighting (e.g., tungsten lamps mixed with daylight from windows) or under strongly colored artificial light. In these situations, setting a manual WB or custom WB produces more consistent results.

How to Set a Custom White Balance

Photograph a gray card or white piece of paper under the actual light in your scene. Then use your camera's custom WB function to designate that frame as the reference. The camera will adjust all subsequent shots to render that card as neutral gray/white. This is the most accurate method for tricky lighting situations.

The RAW Advantage for White Balance

If you shoot RAW, white balance is applied in post-processing and can be changed non-destructively with zero quality loss. AWB is perfectly acceptable for RAW shooters — you can correct it later. If you shoot JPEG, the white balance is baked into the file and getting it right in camera matters much more.

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