Hex #668261 or rgb(102,130,97) in RGB space is the tint of grass green. It has hue angle of 110.91 degrees, value = 51 and saturation = 25. #668261 can be obtained by mixing 4 colors: 3 drops of red, 4 drops of blue, 5 drops of green, 3 drops of white.
Nearest safe hex - #669966. Below you can see the block with #668261 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #668261 to the mixer and play with it.