Hex #5bac55 or rgb(91,172,85) in RGB space is the tint of green. It has hue angle of 115.86 degrees, value = 67 and saturation = 51. #5bac55 can be obtained by mixing 4 colors: 3 drops of yellow, 4 drops of blue, 5 drops of green, 2 drops of white.
Nearest safe hex - #669966. Below you can see the block with #5bac55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5bac55 to the mixer and play with it.