Mermaids do not exist, so their eye color can be anything the author of the story determines it should be.
pink
Since mermaids are made-up creatures their eyes are whatever color the artist or writer wants them to be in a depiction.
They are the same colour colour as humans eyes!
what colour are david attenboroughs eyes
Mermaids do not exist in real life, but there are plenty of creatures that can see well under water. Their eyes are adapted for an underwater environment.
mermaids are not killers because they are just fantisised characteres. If you believe in mermaids you might just want to keep your eyes open at night.
her eyes are blue
His eyes are blue.
he has brown eyes
She has brown eyes.
Pegasus eyes are green
Kangaroos have brown eyes.