Hex #628534 or rgb(98,133,52) in RGB space is the tint of olive. It has hue angle of 85.93 degrees, value = 52 and saturation = 61. #628534 can be obtained by mixing 4 colors: 5 drops of yellow, 1 drop of blue, 2 drops of cyan, 5 drops of black.
Nearest safe hex - #669933. Below you can see the block with #628534 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #628534 to the mixer and play with it.