I had lip fillers yesterday and when I got home I noticed my lips looked pale, is this normal? (photos)

It's too soon to tell what your final results will be. You have swelling, which can last 1-2 weeks after lip injections. If you're unhappy with your final results, you can have it reversed with hyaluronidase and try a different technique next time. See an expert. Best, Dr. Emer

It is normal to get some blanching in and around injected area after injections. The reason for this is there is lidocaine in lots of fillers and it can blanche the skin. If there is any purple or blue areas, this is an emergency and could mean signs of necrosis. However, the slight paleness could be normal after injections, it looks like you have quite a bit of swelling left too. If you have further concerns, I would touch base with your injector. 

If there is any pallor to the lip, it may be due to epinephrine which is sometimes mixed by the doctor into the syringe along with lidocaine to reduce bruising.  Or if lidocaine and epinephrine were injected to numb the lip area, this can occur.  It is temporary and should wear off.  Any persistent pallor should be evaluated by your physician.