Hex #667450 or rgb(102,116,80) in RGB space is the tint of olive. It has hue angle of 83.33 degrees, value = 45 and saturation = 31. #667450 can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of blue, 2 drops of white, 5 drops of black.
Nearest safe hex - #666666. Below you can see the block with #667450 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #667450 to the mixer and play with it.