Mars is phasing out synthetic dyes in M&M’s and struggling to recreate blue and brown colors using natural ingredients.

The company successfully recreated red, orange, yellow, and green using sources such as beets and turmeric.  

Blue color is challenging to replicate naturally, with spirulina being an expensive and less efficient option.

Brown color is difficult to recreate naturally due to its surprising amount of blue.

M&M’s faced criticism for introducing diverse spokescandies in the past and later pulling them, and now the focus is on the colors themselves.  

https://www.entrepreneur.com/business-news/mars-is-spending-millions-to-make-mms-natural-blue-and-brown-didnt-make-the-cut

If you grew up before smartphones, chances are you did at least three of these things. Today, most kids would think you’re making them up.

Before everything was instant!