Hex #718639 or rgb(113,134,57) in RGB space is the tint of lime. It has hue angle of 76.36 degrees, value = 53 and saturation = 57. #718639 can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of cyan, 1 drop of white, 4 drops of black.
Nearest safe hex - #669933. Below you can see the block with #718639 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #718639 to the mixer and play with it.