I think you'd turn orange-ish - more like salmon than flamingo colored. Astaxanthin is a carotenoid like beta-carotene, so you could develop carotenemia/carotenosis which would make you look orange.

https://www.urmc.rochester.edu/encyclopedia/content?contenttypeid=19&contentid=betacarotene#%3A%7E%3Atext=Toxicity%2Cskin+to+become+yellowish+orange.

https://en.wikipedia.org/wiki/Carotenosis