Hex #99c66f or rgb(153,198,111) in RGB space is the tint of olive. It has hue angle of 91.03 degrees, value = 78 and saturation = 44. #99c66f can be obtained by mixing 4 colors: 3 drops of yellow, 2 drops of blue, 2 drops of green, 3 drops of white.
Nearest safe hex - #99cc66. Below you can see the block with #99c66f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99c66f to the mixer and play with it.