Hex #628727 or rgb(98,135,39) in RGB space is the tint of olive. It has hue angle of 83.13 degrees, value = 53 and saturation = 71. #628727 can be obtained by mixing 4 colors: 5 drops of yellow, 3 drops of blue, 2 drops of green, 3 drops of black.
Nearest safe hex - #669933. Below you can see the block with #628727 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #628727 to the mixer and play with it.