Hex #99be77 or rgb(153,190,119) in RGB space is the tint of olive. It has hue angle of 91.27 degrees, value = 75 and saturation = 37. #99be77 can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of red, 1 drop of magenta, 4 drops of cyan.
Nearest safe hex - #99cc66. Below you can see the block with #99be77 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99be77 to the mixer and play with it.