Hex #99b680 or rgb(153,182,128) in RGB space is the tint of olive. It has hue angle of 92.22 degrees, value = 71 and saturation = 30. #99b680 can be obtained by mixing 4 colors: 1 drop of red, 3 drops of green, 5 drops of white, 1 drop of black.
Nearest safe hex - #99cc99. Below you can see the block with #99b680 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99b680 to the mixer and play with it.