Hex #717d5f or rgb(113,125,95) in RGB space is the tint of olive. It has hue angle of 84.00 degrees, value = 49 and saturation = 24. #717d5f can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of blue, 2 drops of white, 3 drops of black.
Nearest safe hex - #666666. Below you can see the block with #717d5f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #717d5f to the mixer and play with it.