Photo-to-Coloring-Page Generator
Productize a diffusion model for one job, turning family photos into printable coloring pages for parents and teachers.
In plain English
DreamAndColor turns family photos into printable coloring pages, and one person has run it alone for years with only light marketing. Parents and teachers pay because they want the person in the photo to stay recognizable, in a cartoon style or a blocky video-game style. The AI cleans the lines, sharpens the picture, and saves a print-ready file, which is the edge over a general chatbot. Almost all of the converting and cleanup is done by the AI, while the owner still tunes the styles. This online maker is separate from printable pages the same owner already sells in an online shop.
Not disclosed (posted in an HN thread for projects making $500+/mo; founder says it's growing 10–20%/month)
Operator: mkummer
A named, real operator ran this and shared results publicly. The figures are their own.
Not disclosed.
The tool stack
Base image model (SD 1.5 at start).
Stripe ↗Payments.
Prices are the vendors' published list prices as researched in Oct 2026 and change often — always check the vendor's pricing page.
Step-by-step setup
- Pick one clear use: photo to coloring page. The audience is parents and educators.
- Keep the house style consistent and the likeness strong, and add themed styles (Minecraft-like, cartoon).
- Do the post-processing for them (upscale, clean lines, set levels) and export a print-ready PDF. That's the edge over asking ChatGPT or Gemini.
What's automated vs. the human 10%
The machine does
- Conversion, cleanup, PDF export
You still do
- Style tuning, light marketing
Overview
mkummer has run DreamAndColor solo for about 2.5 years. It started on Stable Diffusion 1.5, and he says it grows 10–20% per month with little marketing. He hasn’t given a dollar figure. Note: the site already has an Etsy coloring-page stack. This one is a SaaS, not printables.
Risks
- Built-in image models (Nano Banana, ChatGPT) can do a rough version for free.
*Income figures are illustrative ranges based on public pricing and typical outcomes reported by practitioners, not guarantees. Most new online businesses earn little or nothing at first. Not financial, legal or tax advice.
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