TilemapRenderer color will display significantly darker when switching a tilemap to "SRP Batch" from "Chunk" or "Individual" Mode

Reproduction steps:
1. Open the attached project "ReproProj"
2. Open the “/Assets/Scenes/SampleScene.unity” Scene
3. In Hierarchy, select the “Tilemap“ GameObject under “Grid“
4. In Inspector, under the Tilemap Renderer component, change Mode to “SRP Batch“
5. Observe the Game view

Expected result: Tiles stay light purple
Actual result: Tiles become much darker

Reproducible with: 6000.0.34f1, 6000.1.0b2
Could not test with: 2022.3.56f1

Testing environment: Windows 10 Enterprise 21H2, macOS 13.7.2 22H313 Darwin 22.6.0 (Intel)
Not reproducible on: No other environment tested