Hex #80de91 or rgb(128,222,145) in RGB space is the tint of bluish green. It has hue angle of 130.85 degrees, value = 87 and saturation = 42. #80de91 can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of blue, 4 drops of cyan, 1 drop of white.
Nearest safe hex - #99cc99. Below you can see the block with #80de91 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80de91 to the mixer and play with it.