Perhaps another tile with mixed colors of white and green and beige to brighten the green of your chosen tile
Q
This is what I think it would look like as monochrome coloring
You’re green with a lighter grout color. And a bigger tile pattern like yours.
Green tile flooring
Lighter and smaller pattern flooring tile with lighter colored grout
Again…a mixture of green and light colors
Perhaps another tile with mixed colors of white and green and beige to brighten the green of your chosen tile
Q