Hex #6d8d6d or rgb(109,141,109) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 55 and saturation = 23. #6d8d6d can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of cyan, 2 drops of white, 3 drops of black.
Nearest safe hex - #669966. Below you can see the block with #6d8d6d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d8d6d to the mixer and play with it.