I had tattoo removal at a different facility years ago who only had one machine that does not take care of red and yellow. After doing much research to continue treatment, I found Reflections Center for skin and they had lasers that would target those specific colors.
Make sure you do your research!! If a facility has one machine and they say they can target a certain color I would question it, it can leave you with scarring which makes it harder to get rid of the tattoo.
Reflections was amazing for my continuation of tattoo removal and have all the lasers that are required for successful removal!