Hex #699c4b or rgb(105,156,75) in RGB space is the tint of grass green. It has hue angle of 97.78 degrees, value = 61 and saturation = 52. #699c4b can be obtained by mixing 4 colors: 2 drops of yellow, 5 drops of green, 5 drops of white, 5 drops of black.
Nearest safe hex - #669933. Below you can see the block with #699c4b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #699c4b to the mixer and play with it.