Hex #66c62b or rgb(102,198,43) in RGB space is the tint of olive. It has hue angle of 97.16 degrees, value = 78 and saturation = 78. #66c62b can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of blue, 1 drop of cyan, 4 drops of green.
Nearest safe hex - #66cc33. Below you can see the block with #66c62b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66c62b to the mixer and play with it.