Hex #80b900 or rgb(128,185,0) in RGB space is the tint of lime. It has hue angle of 78.49 degrees, value = 73 and saturation = 100. #80b900 can be obtained by mixing 3 colors: 4 drops of yellow, 1 drop of red, 5 drops of green.
Nearest safe hex - #99cc00. Below you can see the block with #80b900 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80b900 to the mixer and play with it.