Hex #6aa440 or rgb(106,164,64) in RGB space is the tint of olive. It has hue angle of 94.80 degrees, value = 64 and saturation = 61. #6aa440 can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of green, 3 drops of white, 3 drops of black.
Nearest safe hex - #669933. Below you can see the block with #6aa440 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6aa440 to the mixer and play with it.