Vibrant visuals can not be turned on with the classic texture pack.
MCPE-230680
Vibrant Visuals can't be used with Classic Texture Pack
Resolved
Works As Intended
1
Thank you for your report!
However, this issue has been closed as Working as Intended.
As stated in the description of the Graphics Mode in the Video settings, Vibrant Visuals cannot be used together with Marketplace Texture Packs.
If you need help or have a suggestion you might like to follow a link below.
Quick Links:
📓 Issue Guidelines – 💬 Mojang Support – 📧 Suggestions – 📖 Minecraft Wiki