White Balance adjustment

The adjustment lets you control white balance using:

Apply this adjustment via the Adjustments panel using the following settings:

Balance—controls the emphasis of the adjustment. Drag to the left to cool the image, or drag to the right to warm the image.
Tint—tints the image either towards magenta or green. This is useful for removing color casts, especially if the image was taken under artificial lighting (e.g., tungsten or fluorescent).