If you use a spyglass while freezing, your screen will have a red to green gradient effect.
Something similar also happens when you enter a Nether portal.
Video attached.
Reporter: migrated
Assignee: SeargeDP
Created: 2021-03-11T05:09:00Z
Updated: 2026-08-20T10:59:02Z
Resolved: 2021-03-15T16:19:13Z
Confirmation Status: Confirmed
Category: Rendering
Affects Versions: 21w10a
Fix Versions: 21w11a
Retrieved 2026-10-11T13:37:21Z
Something similar also happens when you enter a Nether portal.