Hex #666e56 or rgb(102,110,86) in RGB space is the tint of lime. It has hue angle of 80.00 degrees, value = 43 and saturation = 22. #666e56 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of magenta, 2 drops of blue, 4 drops of green.
Nearest safe hex - #666666. Below you can see the block with #666e56 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #666e56 to the mixer and play with it.