Assign chat bubble colors in user profiles, to easily ID participants in group chats

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Is your feature request related to a problem? Please describe.
When I’m in a group chat with multiple participants, it can be hard to tell whose comments are whose if they don’t have profile pictures. Being able to color-code chat bubbles would help.

Describe the solution you’d like
I would like to be able to assign a color-code to any/each user in a chat or channel conversation. This color assignment should set the background color of that user’s text bubbles in that chat/channel. This would help me visually group participants without having to look up their user profiles.

Ideally, this color assignment should be unique to each chat/channel, so i could for example tag a user as “green” in one conversation but “purple” in another. But even if the color assignment had to be consistent across all of my chat/channels, it would still be better than the current condition where all users other than me are the same color.

Describe alternatives you’ve considered
A clear and concise description of any alternative solutions or features you’ve considered.

Additional context
I have many channels that stay persistently open, some of which have many members. It would be useful if i could color-code people in a given channel; for example, in one channel it would be helpful if i could tag security team members with red, and managers with yellow, and project managers with green, to more easily notice when someone with those roles added a comment . Or maybe i have a friend that i would like to always tag with purple, to more easily notice when he added something to a conversation.