Technically any pepper may be used to make paprika powder. Scorching peppers (for example chilis) make warm paprika, sweet peppers make sweet paprika, and if you smoke the peppers though They're drying you end up with smoked paprika. Some people prefer to blend pepper types for a singular flavor. Also, https://landennidnj.angelinsblog.com/30395443/facts-about-sweet-paprika-whole-revealed