Hex #66834d or rgb(102,131,77) in RGB space is the tint of olive. It has hue angle of 92.22 degrees, value = 51 and saturation = 41. #66834d can be obtained by mixing 4 colors: 1 drop of red, 3 drops of green, 3 drops of white, 3 drops of black.
Nearest safe hex - #669966. Below you can see the block with #66834d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66834d to the mixer and play with it.