Hex #5b9c5b or rgb(91,156,91) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 61 and saturation = 42. #5b9c5b can be obtained by mixing 3 colors: 5 drops of green, 5 drops of white, 4 drops of black.
Nearest safe hex - #669966. Below you can see the block with #5b9c5b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b9c5b to the mixer and play with it.