Hex #89bb3b or rgb(137,187,59) in RGB space is the tint of olive. It has hue angle of 83.44 degrees, value = 73 and saturation = 68. #89bb3b can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of green, 3 drops of white, 2 drops of black.
Nearest safe hex - #99cc33. Below you can see the block with #89bb3b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #89bb3b to the mixer and play with it.