Lila: rating chart colors not consistent across users

[niklasf]

After 938591f340776ad0ea6b86a9f2ecebb38e7255b0: https://lichess.org/forum/lichess-feedback/everything-is-changing#7

[ornicar]

they never were.

[exaways]

As far as I can recall a color was connected to a variant. =)
That is no longer the case.
Few examples:

Here horde is orange:
https://lichess.org/@/Verilator

Here ultrabullet is dotted deep purple:
https://lichess.org/@/Chess-Network

Here racing kings is dotted deep purple and horde dotted red:
https://lichess.org/@/opperwezen

[thomas-daniels]

Is this bug still there? As far as I can see, colors are consistent across different profiles.