Hex #99d560 or rgb(153,213,96) in RGB space is the tint of olive. It has hue angle of 90.77 degrees, value = 84 and saturation = 55. #99d560 can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of blue, 5 drops of green, 5 drops of white.
Nearest safe hex - #99cc66. Below you can see the block with #99d560 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99d560 to the mixer and play with it.