Hex #669033 or rgb(102,144,51) in RGB space is the tint of olive. It has hue angle of 87.10 degrees, value = 56 and saturation = 65. #669033 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of red, 2 drops of cyan, 4 drops of green.
Nearest safe hex - #669933. Below you can see the block with #669033 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #669033 to the mixer and play with it.