Hex #627855 or rgb(98,120,85) in RGB space is the tint of grass green. It has hue angle of 97.71 degrees, value = 47 and saturation = 29. #627855 can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of blue, 1 drop of white, 3 drops of black.
Nearest safe hex - #666666. Below you can see the block with #627855 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #627855 to the mixer and play with it.