Hex #608b40 or rgb(96,139,64) in RGB space is the tint of olive. It has hue angle of 94.40 degrees, value = 55 and saturation = 54. #608b40 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of green, 2 drops of white, 3 drops of black.
Nearest safe hex - #669933. Below you can see the block with #608b40 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #608b40 to the mixer and play with it.