Hex #80be5b or rgb(128,190,91) in RGB space is the tint of grass green. It has hue angle of 97.58 degrees, value = 75 and saturation = 52. #80be5b can be obtained by mixing 4 colors: 2 drops of yellow, 5 drops of green, 5 drops of white, 2 drops of black.
Nearest safe hex - #99cc66. Below you can see the block with #80be5b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80be5b to the mixer and play with it.