Hex #39b439 or rgb(57,180,57) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 71 and saturation = 68. #39b439 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of red, 2 drops of cyan, 5 drops of green.
Nearest safe hex - #33cc33. Below you can see the block with #39b439 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #39b439 to the mixer and play with it.