A Fullbright texture pack for Minecraft 1.12.2 is , but it is obsolete because the gamma value in options.txt achieves identical or better results with no texture alteration. For users who still want the texture pack method (e.g., for modded servers where gamma is locked), the manual creation guide in Section 3.1 is the safest approach. Always verify pack_format: 3 when creating packs for 1.12.2.
Performance-safe implementation
For this guide, we’ll assume you have downloaded a .zip file named Fullbright_1.12.2.zip . minecraft 1.12.2 fullbright texture pack
