Builtin neovim's terminal has wrong colors

[agmitron]

Issue description

When I set a theme using tinty, it applies Neovim's colorscheme correctly. However, inside Neovim's built-in terminal some colors are ignored.

For example, I opened the codex application outside of Neovim. The prompt color is correct (it matches the gruvbox-light colorscheme):

Then I open Neovim, open the built-in terminal, and run the same codex app. Now the prompt is light blue:

Expected behavior

The colors should be the same in Neovim's terminal and in the parent terminal.

Environment

• Terminal emulator: kitty
• Neovim: NVIM v0.11.4
• Neovim distro: LazyVim v15
• tmux: v3.6-next

About tmux

I already checked whether tmux affects this. It doesn't — the behavior is the same both inside and outside tmux (for example, directly in kitty).

termguicolors

I have this in my conf:

vim.opt.termguicolors = true

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P.S. I am not exactly sure if this problem is about tinted-nvim, please point me out if so! You guys are doing an awesome job, thanks for this tooling!