Kernel panics are terrifying errors where the kernel doesn’t hang at boot, it panics. This results in a rather frighting screen shown below.
If this happens, then you have a very serious problem. However, it may be fixable. The main reasons for this happening are incompatible CPU’s and Bios settings, incompatible graphics or DSDT/config.plist errors. In this case, you’d want to double check all your components and settings. Googling ‘[part name] Hackintosh’ is generally a good start.