I wanted to convey the atmosphere of a summer vacation in nature. As a basis, I took my favorite texture (gradient) and diluted it with PBR material. Enjoy your viewing.
Gradient material
1. base color----256x256
2. roughness----256x256
3. metalness----256x256
4. alfa--------------256x256
PBR material 4K
1. AO----------------4096 x 4096
2. BaseColor-----4096 x 4096
3. Metallic-------- 4096 x 4096
4. Norma_Ym----4096 x 4096
5. Normal_Yp ----4096 x 4096
6. Roughness ----4096 x 4096
Or PBR material 2K
1. AO----------------2048 x 2048
2. BaseColor -----2048 x 2048
3. Metallic---------2048 x 2048
4. Norma_Ym----2048 x 2048
5. Normal_Yp----2048 x 2048
6. Roughness----2048 x 2048
+ just in case I attach a file Blender v2.93