Hex #8ee139 or rgb(142,225,57) in RGB space is the tint of olive. It has hue angle of 89.64 degrees, value = 88 and saturation = 75. #8ee139 can be obtained by mixing 3 colors: 5 drops of yellow, 2 drops of cyan, 2 drops of green.
Nearest safe hex - #99cc33. Below you can see the block with #8ee139 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8ee139 to the mixer and play with it.