Hex #99bf80 or rgb(153,191,128) in RGB space is the tint of olive. It has hue angle of 96.19 degrees, value = 75 and saturation = 33. #99bf80 can be obtained by mixing 4 colors: 3 drops of yellow, 2 drops of red, 4 drops of cyan, 1 drop of white.
Nearest safe hex - #99cc99. Below you can see the block with #99bf80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99bf80 to the mixer and play with it.