Hex #5b885b or rgb(91,136,91) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 53 and saturation = 33. #5b885b can be obtained by mixing 3 colors: 5 drops of red, 5 drops of cyan, 4 drops of green.
Nearest safe hex - #669966. Below you can see the block with #5b885b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b885b to the mixer and play with it.