Hex #747f6d or rgb(116,127,109) in RGB space is the tint of olive. It has hue angle of 96.67 degrees, value = 50 and saturation = 14. #747f6d can be obtained by mixing 4 colors: 4 drops of magenta, 1 drop of cyan, 5 drops of green, 1 drop of white.
Nearest safe hex - #666666. Below you can see the block with #747f6d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #747f6d to the mixer and play with it.