Ultimately, a black-and-white preset enables a surprising dynamism in photos that otherwise appear flat.
For example, if you are shooting a portrait against a leafy backdrop, turning up the yellow filter will expose your subject’s skin tone, while turning down the green filter will underexpose the backdrop, allowing your subject to stand out with a lighter shade of gray. Ultimately, a black-and-white preset enables a surprising dynamism in photos that otherwise appear flat.