Hex #99b77d or rgb(153,183,125) in RGB space is the tint of olive. It has hue angle of 91.03 degrees, value = 72 and saturation = 32. #99b77d can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of blue, 1 drop of green, 4 drops of white.
Nearest safe hex - #99cc66. Below you can see the block with #99b77d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99b77d to the mixer and play with it.