What’s Wrong With This T-Shirt? (Fix This Before You Upload 2025)
About this video
The creator, who claims over eight years as a print-on-demand seller and over $500,000 in royalties, audits a trending ‘red, white, and feral’ raccoon shirt that he says hit number one in the Amazon novelty T-shirt charts. The problem is not the art or idea but contrast and visibility, which he says 90% of sellers overlook. In the weak version, red text blends into red shirts, dull blue fades into Heather Charcoal Gray, and off-white looks washed out, especially on mobile thumbnails; a design offered on six colors could waste five of them because it breaks on white, beige, brown, bright blue and red shirts. His three-step fix is: boost contrast using pure white instead of off-white and bold colors instead of dull navy, add outlines or drop shadows for separation, and run a thumbnail test by shrinking the design to 200 by 200 pixels and checking every word is readable in one second. He advises leading with the black version, which he calls the number one selling shirt color on Amazon, Etsy and Redbubble.
Key takeaways
- Contrast and thumbnail visibility are conversion tools — a clever idea fails if shoppers cannot read it while scrolling
- Use pure white and bold colors instead of off-white and dull tones that blend into shirt colors
- Add outlines or drop shadows to separate text and art from dark or colored garments
- Run the 200 by 200 pixel thumbnail test: every word must be readable in one second before uploading
- Lead with the black shirt version and only offer colors where the design actually remains visible
Episode details: published June 13, 2025 · 5:49 long. Summary written by Self Growth Videos from the episode itself. Business results and any income figures mentioned are RJ Martinez’s own claims, shared for education — they are not typical or guaranteed.
← Previous: How to Build a Print-On-Demand T-Shirt Store with AI In 2025 (Step By Step) · Next: Top 5 Low-Competition T-Shirt Niches to Sell in 2025 (POD Ready!) →
All RJ Martinez videos · RJ Martinez profile · RJ Martinez on YouTube
You Might Also Enjoy

I Ran Etsy's New AI Test on My Own Shop. One Listing Failed.
Explore →
This Etsy Shop Made 48,900 Sales Without Designing the Art (Steal This Store #5)
Explore →
I Hired an AI Employee for My Etsy Shop - Here's Where It Messed Up
Explore →
I Ordered 8 PrintKK Products - 3 of Them Most Sellers Don't Know Exist
Explore →
Someone Might Be Selling Your Design Right Now (Here's the 5-Minute Check)
Explore →