The lightweight Tropical Fade resource pack looks very unusual, as it uses interesting gradient textures. It was created for PvP, but is also suitable for ordinary survival, especially if you want to play in warm biomes.
How to install Tropical Fade resource pack
Make sure you have Optifine installed and working correctly.
Download the resource pack and leave it archived.
Launch Minecraft, go to Settings.
In the ‘Resource Packs’ section, select ‘Open resource pack folder’.
The ‘resourcepacks’ folder will open, copy the archive there.
After copying, the resourcepack will appear in the section of available packages. Click on it to move to the Selected Resource Packs section.
Start a new game or load an old one. Textures will apear in all saves.