Fix White Balance in Photoshop: Temperature and Tint

White balance ensures that the colors in a digital photograph appear natural and true to life by neutralizing color casts caused by ambient lighting conditions. In Adobe Photoshop—primarily within the Adobe Camera Raw interface—the Temperature and Tint sliders serve as the primary controls for this adjustment. Operating across two opposing color axes (blue-to-yellow and green-to-magenta), these sliders allow editors to counteract unnatural ambient light and restore accurate neutral whites and grays.

The Science Behind Color Casts

Light sources possess distinct color temperatures measured on the Kelvin scale. Incandescent household bulbs emit a low, warm light that can make a photo look overly orange or yellow. Midday sunlight or deep shade emits a cooler light with heavy blue tones. Additionally, artificial light sources like fluorescent tubes or certain LEDs introduce green or magenta casts. If a camera fails to balance these light sources correctly at capture, the entire scene takes on an unnatural tint.

The Temperature Slider: The Blue–Yellow Axis

The Temperature slider targets the Kelvin spectrum, balancing warm and cool tones:

  • Moving Left (Cooling): Drags the image toward blue. This is used to correct images that are overly warm, orange, or yellow, commonly seen in indoor shots lit by incandescent bulbs.
  • Moving Right (Warming): Adds yellow and amber tones. This corrects images that appear cold, sterile, or overly blue, which often occurs when shooting in open shade, under overcast skies, or in deep twilight.

The Tint Slider: The Green–Magenta Axis

The Tint slider fine-tunes color balance by moving perpendicular to the Temperature axis:

  • Moving Left (Green): Introduces green into the image. This corrects excess magenta or purple tones, which can happen under specialized photographic lights, sunsets, or certain electronic flashes.
  • Moving Right (Magenta): Introduces magenta into the image. This neutralizes sickly green casts typically caused by older fluorescent office lighting or industrial fixtures.

How to Apply the Corrections in Photoshop

To use these sliders directly inside Photoshop:

  1. Select your target image layer and convert it to a Smart Object to allow non-destructive edits (Filter > Convert for Smart Filters).
  2. Navigate to Filter > Camera Raw Filter (or press Ctrl + Shift + A on Windows / Cmd + Shift + A on Mac).
  3. Locate the Basic panel on the right sidebar, where the Temperature and Tint sliders are displayed under the White Balance section.
  4. To set an immediate baseline, select the White Balance Tool (eyedropper icon) and click on an area in the photo that should naturally be a neutral gray or white.
  5. Adjust the Temperature slider first until the skin tones or neutral surfaces no longer lean noticeably blue or orange.
  6. Adjust the Tint slider second to eliminate any lingering greenish or purplish hues.
  7. Click OK to apply the color correction back to your Photoshop canvas.