Hex #4d9000 or rgb(77,144,0) in RGB space is the tint of olive. It has hue angle of 87.92 degrees, value = 56 and saturation = 100. #4d9000 can be obtained by mixing 3 colors: 3 drops of yellow, 4 drops of green, 3 drops of black.
Nearest safe hex - #669900. Below you can see the block with #4d9000 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4d9000 to the mixer and play with it.