The Outside of Potions in Brewing Stand Show Their Color

I noticed that if a player brews a Potion of Slow Falling, the color of the potion outside the Brewing Stand shows that it’s red and not white. In fact, this seems to happen with lots of multi colored potions that aren’t red. I would like to see the different potion colors outside the Brewing Stand besides red. It makes me think that there’s a Potion of Healing in the Brewing Stand instead of a Potion of Night Vision.