Hex #8eb155 or rgb(142,177,85) in RGB space is the tint of olive. It has hue angle of 82.83 degrees, value = 69 and saturation = 52. #8eb155 can be obtained by mixing 4 colors: 4 drops of yellow, 3 drops of blue, 1 drop of green, 1 drop of white.
Nearest safe hex - #999966. Below you can see the block with #8eb155 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8eb155 to the mixer and play with it.