Hello
The discord role colors are not sent to minecraft correctly, they were already assigned in the configuration file, but they are still ignored.
I discovered that this only happens when you use a custom color code, for example, the color green (# 04e000).
And if I use the colors suggested by Discord, if they are sent to minecraft.

Minecraft 1.7.10
DiscordSRV-Build-1.16.5.jar

Because you need to define the colors in your config.