GTK4/Adwaita apps desaturated in containers

[jumpyvi]

Describe the bug

When running a GTK4/Adw app in a container, it is desaturated.

This seems to happen on every adwaita app.

Containers technologies tried	Desaturated ?
Docker directly	yes
Podman directly	yes
Devcontainer	yes
Distrobox	yes
Toolbx	no

Distro tried	Desaturated ?
Aurora-dx:latest & stable	yes
Ublue Silverblue	no
Ublue Kionite:gts in a new VM	yes
Non-Atomic Fedora KDE 41	no

What did you expect to happen?

Plasma/Aurora should not interfere with the adwaita theme by default.

Output of bootc status

Tried on latest and stable

NAME="Aurora"
3	VERSION="41.20250224.6 (Kinoite)"
4	RELEASE_TYPE=stable
5	ID=aurora
6	ID_LIKE="fedora"
7	VERSION_ID=41
8	VERSION_CODENAME=""
9	PLATFORM_ID="platform:f41"
10	PRETTY_NAME="Aurora (Version: 41.20250224.6 / FROM Fedora Kinoite 41)"
11	ANSI_COLOR="0;38;2;60;110;180"
12	LOGO=fedora-logo-icon
13	CPE_NAME="cpe:/o:universal-blue:aurora:41"
14	DEFAULT_HOSTNAME="aurora"
15	HOME_URL="https://getaurora.dev/"
16	DOCUMENTATION_URL="https://docs.getaurora.dev"
17	SUPPORT_URL="https://github.com/ublue-os/aurora/issues/"
18	BUG_REPORT_URL="https://github.com/ublue-os/aurora/issues/"
19	SUPPORT_END=2025-12-15
20	VARIANT="Kinoite"
21	VARIANT_ID=aurora
22	OSTREE_VERSION='41.20250224.6'
23	BUILD_ID="a8dec5e"
24	IMAGE_ID="aurora"

Output of groups

uid=1000(jumpyvi) gid=1000(jumpyvi) groups=1000(jumpyvi),10(wheel),953(nordvpn),954(docker),959(libvirt),963(plugdev) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023

also tried on a brand new install

Extra information or context

This should be fixed, it stops Kinoite users from doing Adwaita/GTK4 development

I've also tried removing .gtk4rc, .gtkrc-2.0-kde4 and ~/.config/gtk-4.0

[inffy]

Not really sure what could cause this. We don't really touch any gtk stuff. We used to have override for gtk stuff but it was breaking soemthing else and has been removed.

Tried with my fedora distrobox with the papers app but couldn't really produce this (although I have theme on my KDE install currently).