Hex #80b180 or rgb(128,177,128) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 69 and saturation = 28. #80b180 can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of blue, 1 drop of cyan, 1 drop of white.
Nearest safe hex - #999999. Below you can see the block with #80b180 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80b180 to the mixer and play with it.