Technique

Duotone = First make a black and white image, then push color into the mids only. A tritone variation would be black and white with two different (usually opposing) colors in the shadows and highlights only. Duotone isn't a look...

The "Matrix" look = low saturation of about 30%, push green into shadows and mids, and a little yellow in highlights. It also helps to key the skin and bring it back to a correct skin-tone. While the generic term...

The "L.A. Grad" look = slightly contrasty, a gradient with orange on top, blue on bottom (one variation has a neutral bottom). The L.A. Grad look is best used for beach scenes or really anywhere in Los Angeles. The LA...

The "Blockbuster" or "Transformers" look = Cool shadows - usually blue or teal, and warm skintones, usually an orange color. Pushing the skintones warmer usually means the midtones, but it can be the highlights to if the footage is bright....

Bleach Bypass = Super contrasty, low saturation. A very harsh look, often used in war movies. There are a few variations of bleach bypass that are used frequently: cool (blue), warm (tan), and greenish. Here's my recipe for bleach bypass. Start...