lets say you got a tat but you dont want it anymore, I was gonna fill it in all black,.
like a black square coverin the entire tattoo, all shaded in black,so it would be a black square tatted on my arm,would it be possible then to go over it with another colored ink, lets say orange or red and draw a new tat over the black ink.

what im sayin is, can you do that, can you draw orange or red ink over a black ink surface as far as tattoos go.

For example lets say i have this tat.
lets say i dont like it, IF I tattoo a black square over it, so i would have a black square on my back(neck), would orange or red tattoo ink cover the black ink?
so maybe i can get some letters in orange over the black ink like this
. would that be possible? i dont know how tattoo colors interact or if any color can tattoo over black ink, but would this tattoo be possible?