Thursday 1 February 2024

Spectrum Secrets

For this challenge of "Patterns in Nature," I wanted to present those patterns that are outside the range of human vision, but are visible to birds and insects.

Sdixon27, CC BY-SA 4.0 , via Wikimedia Commons 

Using batik fabrics, and glow-in-the-dark and neon threads, I managed a "four-for-one" look: under ordinary light, you see orange flowers with pale butterflies on the front, and dark blue flowers outlined in orange with colorful butterflies on the back. Then under black light, both front and back reveal different lines and colors.

Spectrum Secrets, front, under daylight


Spectrum Secrets, front, under black light.

Spectrum Secrets, reverse, under daylight.

Spectrum Secrets, reverse, under black light.

I should note that the threads and paints I used didn't produce all the color effects I was hoping for, so I gave up on any scientific accuracy and just had fun.  

I enjoyed working on this, and you can read more about the exact materials I used at my home blog, .  That is a WordPress blog and it has a great "image compare" feature with a slider, and I think it's a better way to view these pictures, so I hope you drop by!


  1. What a fantastic idea! And a beautiful quilt too. I particularly love the black light picture.

  2. These are amazing Gwen, what a brilliant response to the challenge!

  3. I agree with the others, this is fantastic! You really captured the theme well!

  4. Love the glow in the dark. Great quilting, too.

  5. This is just gorgeous! I've always wondered how those threads looked under a black light. I'm glad you shared that. Beautiful quilt. Beautiful work.

  6. This is such a clever idea and beautifully executed. I love all the different variations you've managed to get in one quilt :)