Hex #80b440 or rgb(128,180,64) in RGB space is the tint of olive. It has hue angle of 86.90 degrees, value = 71 and saturation = 64. #80b440 can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of green, 4 drops of white, 3 drops of black.
Nearest safe hex - #99cc33. Below you can see the block with #80b440 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80b440 to the mixer and play with it.