Hex #628b42 or rgb(98,139,66) in RGB space is the tint of olive. It has hue angle of 93.70 degrees, value = 55 and saturation = 53. #628b42 can be obtained by mixing 4 colors: 5 drops of yellow, 2 drops of blue, 2 drops of cyan, 4 drops of black.
Nearest safe hex - #669933. Below you can see the block with #628b42 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #628b42 to the mixer and play with it.