Hex #6d9b5b or rgb(109,155,91) in RGB space is the tint of grass green. It has hue angle of 103.13 degrees, value = 61 and saturation = 41. #6d9b5b can be obtained by mixing 4 colors: 4 drops of yellow, 3 drops of cyan, 2 drops of white, 5 drops of black.
Nearest safe hex - #669966. Below you can see the block with #6d9b5b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d9b5b to the mixer and play with it.