Well, lot of old comics were drawn with very bright colors like that cuz its the only thing that would show up cuz of the terrible, terrible printing process. So now that they reproduce the comics like a modern book, they're usually real bright like that.
As for Deadly Hands of Kung Fu, I havent actually read those, but from my understanding they did have original comic stories in there starring mostly Shang Chi, but also guys like Iron Fist or White Tiger would be the star.
Shang Chi is an interesting character to me regarding his place in the Marvel Universe. He was distinctly created for one reason, cuz Marvel wanted a Bruce Lee of their own to do dope kung-fu comics with, and he had that in the 70s. But once that died down, he's kinda just existed on the peripherals. Dude needs a Fraction/Brubaker/Aja like run to really establish himself back in pop culture, the way the Immortal Iron Fist did.