Primary & text color not working🐞

[Doofus16]

Concise Description

The primary color and text color menus dont change anything at all. They stay black and white no matter what I do.

Browser/s

Chrome

Other Browser:

No response

'Steps to reproduce' - Which of our features is required for the bug to happen?

Themes > Custom

Since when?

Yesterday (april 19 2026)

Does the bug still happen when you log out of YouTube?

Yes

..No? Then please paste your yt.config_.EXPERIMENT_FLAGS. Twice (With the error & Without)

No response

Are any errors or related log-messages shown in the Browser-Console? (F12)

No response

Tested as the only active extension? (incognito mode or another browser users):

No

Expected preferred behavior:

Everything should work fine (duh)

ImprovedTube Version

4.2026

Your Settings (From the Extension's ⋮-Hamburger menu > Settings > Backup & reset > Export settings)

improvedtube.json

Your YouTube-Document

No response

OS / Device:

Windows 11

[sakshtapatil]

Hi! I'm a new contributor and I'd like to try fixing this issue. Could you please assign it to me?

[Ganeshbhargav]

I’ve created a fix for this issue by updating the theme selector logic and ensuring styles apply correctly with the latest YouTube UI.

PR: #3799