Hex #4e991a or rgb(78,153,26) in RGB space is the tint of olive. It has hue angle of 95.43 degrees, value = 60 and saturation = 83. #4e991a can be obtained by mixing 4 colors: 4 drops of yellow, 2 drops of blue, 5 drops of green, 2 drops of black.
Nearest safe hex - #669933. Below you can see the block with #4e991a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4e991a to the mixer and play with it.