GitHub - penandlim/JL-s-Unity-Blend-Modes: 👾 Collection of Unity shaders that support blend modes like photoshop layer style (Darken, Multiply, Linear Burn, etc)
Blend Modes in Unity | Elringus
Layer Blend Modes
Direct Blend mode adds up strangely - Unity Forum
Unity Products:Amplify Shader Editor/Blend Operations - Amplify Creations Wiki