Hex #87ad4b or rgb(135,173,75) in RGB space is the tint of olive. It has hue angle of 83.27 degrees, value = 68 and saturation = 57. #87ad4b can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of green, 5 drops of white, 4 drops of black.
Nearest safe hex - #999933. Below you can see the block with #87ad4b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #87ad4b to the mixer and play with it.