what do the different colour hexes mean?

[Shazzi]

i dont mean the faction colours ect. I was in argon prime and around the sector i saw red coloured hexes ect

[Huillam]

Whether it's a mineral or gas region. In the top right corner of the screen there's a button to display the legend.

[DizzieDawgie]

There's a Legend in the upper-right hand corner of the map that when opened tells you what all the symbols on the map mean, including the different colored hexes.