What:

White balance refers to the color temperature at which white objects on film actually look white. But it’s not just about the appearance of white; all the colors in your shot are determined by how you set your white balance.

Why is it important?

The correct white balance for a scene depends on the colour temperature of the light. “In the most basic terms, your white balance tells you that if your whites are off, your color temperature’s off. And if your color temperature is off, you’ve got to figure out if your camera is set at the wrong color temperature or if the issue is in your lighting