Question 1

How do secret messages with color filters work?

Accepted Answer

Secret messages use contrasting colors that become visible or invisible when viewed through colored filters. Red text disappears through a red filter, while blue and green text remains visible.

Question 2

What color filter should I use?

Accepted Answer

Red acetate filters work best for decoder messages. You can purchase red filter sheets from craft stores or use red cellophane. The filter blocks red colors while allowing other colors to pass through.

Question 3

Can I print the secret messages?

Accepted Answer

Yes! You can export your secret messages as PDF or PNG files for printing. The color filter effect works with printed messages just like on screen.

Secret Message Maker!