Hex #717d68 or rgb(113,125,104) in RGB space is the tint of olive. It has hue angle of 94.29 degrees, value = 49 and saturation = 17. #717d68 can be obtained by mixing 4 colors: 1 drop of magenta, 2 drops of green, 3 drops of white, 3 drops of black.
Nearest safe hex - #666666. Below you can see the block with #717d68 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #717d68 to the mixer and play with it.