Hex #80b840 or rgb(128,184,64) in RGB space is the tint of olive. It has hue angle of 88.00 degrees, value = 72 and saturation = 65. #80b840 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of red, 4 drops of green, 2 drops of white.
Nearest safe hex - #99cc33. Below you can see the block with #80b840 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80b840 to the mixer and play with it.