replacing the LEDs isn't difficult if you know how to get the headlight apart. (search headlight baking procedure)
then it's a simple as replacing the stock LEDs with ones of your choice. BTW matching colors is more difficult than you think, LEDs are seldom the same color even if they are supposed to be.

projectors come with a harness setup that makes the low beam on with high beam operation work. If you don't have the harness you will have to make one.
It takes four relays, a some 12gauge power wire, some 20gauge wire and two 1Amp diodes. (all generic parts) Let me know if you want me to draw a schematic of it for you.