Hex #8ec439 or rgb(142,196,57) in RGB space is the tint of olive. It has hue angle of 83.31 degrees, value = 77 and saturation = 71. #8ec439 can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of green, 2 drops of white, 1 drop of black.
Nearest safe hex - #99cc33. Below you can see the block with #8ec439 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8ec439 to the mixer and play with it.