Hex #71a639 or rgb(113,166,57) in RGB space is the tint of olive. It has hue angle of 89.17 degrees, value = 65 and saturation = 66. #71a639 can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of red, 2 drops of cyan, 3 drops of green.
Nearest safe hex - #669933. Below you can see the block with #71a639 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #71a639 to the mixer and play with it.