Hex #87b84b or rgb(135,184,75) in RGB space is the tint of olive. It has hue angle of 86.97 degrees, value = 72 and saturation = 59. #87b84b can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of green, 5 drops of white, 3 drops of black.
Nearest safe hex - #99cc33. Below you can see the block with #87b84b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #87b84b to the mixer and play with it.