When Minecraft 1.16 was released, they allowed the ability to use full hex color codes to color chat and command text.
See here: https://www.reddit.com/r/Minecraft/comments/g6dxco/snapshot_20w17a_allows_hex_codes_to_be_used_as/
I don't actually know how its used in Commands or Chat..
But I want to know how to use it in a lang file for a resource pack.
By lang file, I mean the file that contains the strings for everything in the game. Normally you can use the § formatting symbols in it. However, no one has yet to explain how its used for lang files.
Picture of a modified lang file:
Im asking this question due to someone else mentioning it: https://www.reddit.com/r/mcresourcepack/comments/htydza/how_to_i_use_new_hex_color_formatting_116_to_lang/