Hex #5b883d or rgb(91,136,61) in RGB space is the tint of olive. It has hue angle of 96.00 degrees, value = 53 and saturation = 55. #5b883d can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of blue, 2 drops of green, 2 drops of black.
Nearest safe hex - #669933. Below you can see the block with #5b883d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b883d to the mixer and play with it.