Parity: Lush caves and Dripstone caves temperate and grass color are not match Bedrock

Could you please attach some screenshots to compare both editions?

Apparently it seems like this is still in 1.20.1 (please confirm?) and it seems like the cause of this issue is the biome temperature difference between the editions (please confirm if temperature affect grass colour?).

I also have the Bedrock Edition bug report (please mark as related): https://bugs.mojang.com/browse/MCPE-139666

Here is the difference between Java and Bedrock Edition Lush Cave temperature as of writing (I pasted the downfall as well because I don't know if it's part of the temperature thing):

Temperature

0.5‌ (Java Edition)
0.9‌ (Bedrock Edition)

Downfall

0.5‌ (Java Edition)
0.0‌ (Bedrock Edition)

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Downfall does affect grass color, IIRC, so yes, it matters.
Do please attach images showing the difference (as per original mod request).
If you do, and are willing to keep this updated, you can be set to the reporter.

I have now attached the screenshots. The Bedrock Edition one is probably not up to date and from another source, but the Minecraft wiki still shows that there is a difference between the Java and Bedrock Edition temperature and downfall which affects the grass colour as confirmed by @Dhranios.

I am also willing to update this and become the reporter if possible.

Mods, @ampolive please update this as soon as possible. Thanks!

The image for bedrock that you attached doesn't seem to show grass, only moss.

@Dhranios there is grass on the bedrock one if you look carefully. But just no grass blocks.

Does MC-236990 describe your issue?

@ampolive MC-236990 can possibly describe the issue.