Green Curry: Made with cilantro, lime leaf, kaffir, and basil give this paste its green color. Mildest in spice. Yellow Curry: Turmeric gives yellow curry its bright yellow color. Somewhere between green and red, yellow curry falls in the middle from a spice level perspective. Red Curry: Red curry is made with chili powder and red curry paste to give it a red hue. It's the most spicy of the 3 types of curries.