Hex #99c677 or rgb(153,198,119) in RGB space is the tint of olive. It has hue angle of 94.18 degrees, value = 78 and saturation = 40. #99c677 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of magenta, 4 drops of green, 4 drops of white.
Nearest safe hex - #99cc66. Below you can see the block with #99c677 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99c677 to the mixer and play with it.