Halftone Effect

Want your AI render to look like a 1970s comic book, a newspaper halftone, or a piece of pop art? Halftone Effect is the node for it, and it's one of the rare "retro" effects that's actually honest about what it does. There's no model being loaded, no latent magic - it's a deterministic print-simulation pass. It takes your image, converts it to a brightness map, and redraws it as dots, lines, or dither patterns whose size follows the brightness of each region. Dark areas get big dots, bright areas get small ones. That's the entire printing trick from a century of newsprint.

The node gives you seven effect types. halftone_dots is the classic circular print dot you're picturing. halftone_lines is the same idea but as parallel lines, which reads more "engraving" than "comic." bayer_dithering and ordered_dithering are the 4×4 and 8×8 ordered dither patterns - the crunchy game-texture look. floyd_steinberg is error-diffusion dithering, which keeps far more tonal detail and looks subtler up close. newspaper simulates the coarse print layout, and crosshatch gives you multi-directional hatching for a sketched feel.

The inputs that matter

• effect_type - the seven-way picker above. This decides everything; the other knobs are refinements on top of it.
• dot_size (2–20) - the size of the halftone elements. Small values give you a fine, photographic result; big values push you into abstract pop-art territory.
• angle (0–360) - rotation. Default 45° is the classic, but changing it matters for line and crosshatch effects.
• sharpness (0.1–2) and contrast (0.5–2) - how hard the dot edges cut and how much tonal separation you start with. Crank contrast before a dithered effect to get clean bands instead of mush.

One image out. Note it's not an output node, so pair it with a preview or save node to see what you made.

Where it fits

This is the post-processing layer in miniature: no model, millisecond-fast, and the exact move when you want the "AI look" gone in favor of a printed, human artifact. Comic-book style, retro poster work, monochrome art direction - it's a one-node style shortcut. The classic pipeline is: generate → HalftoneEffect → save, and you get a consistent print texture without fighting prompts for it. If you're after the halftone look as a base for more compositing rather than a finished style, dot_size 2–3 keeps enough detail that it reads as texture rather than posterization.

Install

Part of Steaked-nodes, installable as one pack:

cd ComfyUI/custom_nodes
git clone https://github.com/StealthNinja1O1/Steaked-nodes

Restart, or grab it via ComfyUI Manager (search "Steaked-nodes"). Dependencies: torch, numpy, Pillow - all standard, nothing to download.

Common issues

The usual failure is dot_size too big for the resolution - at 20 on a 1024px image you get four fat dots and a vague suggestion of an image. Drop it to match your output size. floyd_steinberg at low contrast looks like noise rather than print, so push contrast up first. And the effects work on a converted grayscale brightness map, so they kill your color - if you want color halftone (CMYK-style), you'll need to split channels yourself; the node doesn't do it for you.