Hex #39a639 or rgb(57,166,57) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 65 and saturation = 66. #39a639 can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of cyan, 3 drops of green, 2 drops of black.
Nearest safe hex - #339933. Below you can see the block with #39a639 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #39a639 to the mixer and play with it.