Hex #66ae5e or rgb(102,174,94) in RGB space is the tint of green. It has hue angle of 114.00 degrees, value = 68 and saturation = 46. #66ae5e can be obtained by mixing 4 colors: 1 drop of red, 1 drop of blue, 5 drops of green, 3 drops of white.
Nearest safe hex - #669966. Below you can see the block with #66ae5e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66ae5e to the mixer and play with it.