What do the different colors of the counter of replies in the forum mean? green brown red

It’s a very stupid question but I’m really curious to understand what the different colors in the count of replies mean (green, red, brown)
Thanks in advance guys

Open-Sourcing Cosmic Champs (xGov proposal 3461960394)

Great game, great project, great team. What else? Open-sourcing Cosmic Champs code will be very useful for the ecosystem, no doubts. Thanks for all the work all these years, guys