Pasilla pepper powder is made from one of the most popular Mexican chilies: chilaca pepper or chile negro. From its name, you probably already guessed that its color differs from hot paprika.
Yes, it will change the overall texture and appearance of your final dish or sauce. But, when it comes to heat and flavor profile, red pepper flakes are the closest to Hungarian or spicy paprika.

Now, let’s say you don’t have any of these ingredients, your last resort would be to use black and white pepper to replicate the peppery and smoky kick that paprika offer. Chili flakes will also do in some recipes that use paprika as a garnish such as deviled eggs and potato salad.
Dried chilli padi, also known as bird's eye chilli, is a popular ingredient used in many Asian cuisines. These tiny but mighty peppers pack a powerful punch of heat and flavor, making them a staple in dishes ranging from curries to stir-fries.
This particular chili sauce refers to the popular American condiment usually sold in bottles, found at your local grocer. There are popular brands, like Heinz chili sauce. The consistency is very similar to your typical ketchup, though the seasonings often vary slightly.