Extensions/ComfyUI-RndNanthu
ComfyUI Extension

ComfyUI-RndNanthu

Film Grain simulation, Log Color Conversions, Color Scopes (RGB Parade, Vectorscope, Gamut Warnings), False Color, and more.

By rndnanthu·Created about a year ago·Updated 9 months ago· 28
rndnanthu/ComfyUI-RndNanthu
Nodes7
On cloudLocal install
Categoryrndnanthu/🎨Color Tools, rndnanthu/🎨Grain Tools
Stars28
Updated9 months ago

Nodes (7)

🎨 AutoGradePro 2.0

One node to fix AI color casts, exposure, and contrast — automatically

rndnanthu/🎨Color Tools
📈 Color Analysis Scope

Every colorist's scope — parade, waveform, vectorscope — inside ComfyUI

rndnanthu/🎨Color Tools
🎥 Color Space Simulator

Make your generated image look like it was shot in S-Log3 — or LogC, or C-Log

rndnanthu/🎨Color Tools
🎞 Film Grain (Advanced)

Film grain for when the AI polish is too clean

rndnanthu/🎨Grain Tools
🎯 AI → Camera‑Accurate Log Simulator

From AI flat render to camera-accurate log — the node that fakes the camera

rndnanthu/🎨Color Tools
🎛️ Pro Color Grading

A full colorist panel in one node — lift/gamma/gain, temp/tint, levels, the lot

rndnanthu/🎨Color Tools
🎛️ Prompt Generator

Slot-machine prompts from giant word lists

rndnanthu/prompt
Readme

🎛️ Rndnanthu ComfyUI Custom Nodes

A curated collection of high-performance, creator-centric ComfyUI nodes built for image nerds, colorists, VFX artists, and generative AI creators.
🧠 Powered by love, LUTs, grain, and deep latent dreams. 🌀

⚠️ NOTE: Licensed strictly for non-commercial use under CC BY-NC 4.0

🔧 Node Categories

🎨 colortools/ – Color Tools for Artists

  • log_color_conversion – Convert between LOG/Linear/Rec.709 using LUTs (.cube)
  • ColorGradingNode – Lift-Gamma-Gain, Offset/Slope color grading
  • colorspacesim – Simulate camera profiles (S-Log, V-Log, Cine etc.) + LUT auto-detect
  • autogradepro – Auto exposure, contrast, ISO, temperature correction
  • ColorAnalysisPlotNode – RGB Parade, Histogram, Vectorscope, False Color (experimental)

🎞️ grain/ – Film & Texture Simulation

  • FilmGrain – Organic, preset-based grain generation (with random seed)

✨ prompt/ – Prompt Logic

  • PromptGenerator – Smart multimodal prompt builder for images & videos

📦 Installation

git clone https://github.com/rndnanthu/Comfyui-RndNanthu.git 

pip install -r requirements.txt

Then restart ComfyUI.

🛑 License: CC BY-NC 4.0

This repository is released under the Creative Commons Attribution-NonCommercial 4.0 International License.

✅ Allowed:

  • Personal use
  • Educational and research use
  • Modifications for private workflows

🚫 NOT Allowed:

  • Resale or bundling in paid plugin packs
  • Use in SaaS/commercial tools without permission
  • Monetized redistribution

💬 Want to use it commercially? Open an issue or contact me via GitHub.

👑 Author

Made with ❤️ by RNDNANTHU

📌 Connect With Me

Built for artists who love precision, grain, and control.