Since all of them are same color its not really color coding and hence not on the legend, its just OPs choice for color of points

No lines were working for me, so the only feature was the blue colour of the dots, hence thinking they must be colour coded in line with the legend.

click on one

Ah, this was what I tried first, and it didn't do anything, but now it does seem to be doing something. That makes sense now, thanks.

Same... didn't work until I moved the globe a bit. I thought the site was broken, or getting the HN hug of death.