Film Grain Over Gradient — effect skill for backdrops
For AI agents: find the right skill in one call —
curl -s "https://skills.varg.ai/api/search?q=<what the person wants>"returns the matching how-to page and the best skills with install commands, as markdown (Russian works too). Full index: https://skills.varg.ai/llms.txt. Every page has a markdown twin: add.mdto its path. Before generating anything, show the person the options on the how-to page.
A fine animated grain sits over the gradient so it feels printed, removes banding and looks less digital.
- Type: Effect · Backdrops
- Slug:
film-grain-over-gradient - Status: live
- Publisher: HeyGen (community)
- License: Apache-2.0
- Source: https://github.com/heygen-com/hyperframes/tree/main/registry/components/grain-overlay
- Works in: Claude Code, Claude.ai, Codex, Cursor, OpenClaw, Gemini CLI, Any MCP client, varg Studio
- Requires: ffmpeg, HyperFrames (npx hyperframes), Remotion, CapCut (by hand)
- Cost: Free — the take renders locally; generated footage, if any, bills by the model
What it does
Built on Grain Overlay by HeyGen (HyperFrames), Apache-2.0. The write-up and recipes below are varg's.
Subtle monochrome noise at 4–8% opacity, crawling each frame; colors underneath stay unchanged.
When: Any gradient-heavy film; especially warm, editorial or retro brands.
Watch out: Do not push grain above ~10% on UI shots; it softens text and kills compression.
Timing: Regenerate grain every frame (or every 2 frames for a filmic feel).
Also called: grainy gradient, noise texture, grain overlay
In FFmpeg
-vf "noise=alls=12:allf=t+u"
In HyperFrames
npx hyperframes add grain-overlay
In Remotion
<svg width="100%" height="100%" style={{position:'absolute',opacity:0.06,mixBlendMode:'overlay'}}><filter id="n"><feTurbulence baseFrequency="0.9" seed={frame}/></filter><rect width="100%" height="100%" filter="url(#n)"/></svg>
In CapCut
Effects → search "grain"/"film"; set intensity low (10–20).
Ready-made components
- Grain Overlay (hyperframes): npx hyperframes add grain-overlay
- Noise (react-bits): npx shadcn@latest add @react-bits/Noise-JS-CSS
- Nighty night (shadergradient): npm i @shadergradient/react @react-three/fiber three three-stdlib camera-controls
Where this comes from
Use when
- Any gradient-heavy film; especially warm, editorial or retro brands.
Not for
- Do not push grain above ~10% on UI shots; it softens text and kills compression.
Install
- Claude Code:
claude plugin marketplace add vargHQ/skills && claude plugin install varg@varg - Codex:
npx skills add vargHQ/skills --skill varg-video-edit-library -a codex -y - Cursor:
npx skills add vargHQ/skills --skill varg-video-edit-library -a cursor -y
Example output
https://s3.varg.ai/how-to/previews/5c739b2aae29/lib-react-bits-noise.mp4 — Preview of the Noise component that builds this take (credit: Captured from the library’s own demo page (React Bits), https://reactbits.dev/animations/noise)
More backdrops skills
- Slow Mesh Gradient: Soft brand-colored fields blend and drift slowly behind titles and UI.
- Aurora Behind the Title: Blurred light streaks drift sideways across a dark frame behind a centered title.
- Faint Grid or Dot Field: A very faint line grid or dot field gives structure behind UI and code, with a soft radial fade.
- Spotlight From Above: Soft light cones fall from the top of a dark frame onto the product or title.
- Blurred Product Behind Text: The product UI itself, heavily blurred and dimmed, becomes the backdrop for a title or quote.
- Perspective Grid Tunnel: A card or title floats in a perspective tunnel or floor grid while light streaks race along the lines.
Run the generation on varg
varg is one API key for the models these skills drive — Seedance 2.5, Kling 4, Veo 3.1, Wan 3, Nano Banana 2.1, GPT Image 2.5, ElevenLabs v4 and 200+ more — billed in credits, with a cost estimate before anything runs.
- Claude Code:
claude plugin marketplace add vargHQ/skills && claude plugin install varg@varg(skill + hosted MCP) - Codex, Cursor, Gemini CLI, OpenClaw:
npx skills add vargHQ/skills --skill varg-ai -a <agent> -y - Grok and any agent that reads SKILL.md:
npx skills add vargHQ/skills --skill varg-ai, or point it at the skill's SKILL.md - Claude.ai, ChatGPT, any MCP client: connect
https://mcp.varg.ai/mcp - API key: https://varg.ai/dashboard/api · Model specs: https://varg.ai/models/llms.txt