Hex #5bd155 or rgb(91,209,85) in RGB space is the tint of green. It has hue angle of 117.10 degrees, value = 82 and saturation = 59. #5bd155 can be obtained by mixing 4 colors: 5 drops of yellow, 1 drop of blue, 4 drops of cyan, 4 drops of green.
Nearest safe hex - #66cc66. Below you can see the block with #5bd155 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5bd155 to the mixer and play with it.