The biggest problem with spray cans is trying to find the right colors since you can't custom mix them
Looks like you did pretty good
You can use the "sponge" method to add some transition from the red to pink color along the edges of the panel chipping (basically tear a piece of sponge and dip it in the paint and kind of blot it on)
example before...
View attachment 1518964
and after
View attachment 1518965
You can also use the "toothbrush splatter" method for the dark green porsche fender part the side
put some thin paint on the toothbrush and lightly flick it with your fingers to get those random spatters