Hey Mion, I’ve been thinking about how colors can act like secret codes, almost like a hidden cipher in a painting. Ever wonder if you could paint a security pattern that only the right eyes would catch?

Sounds like a perfect mix of art and encryption—tiny hue changes that only a calibrated spectrometer or an app can pick up. It’s like a visual steganography handshake. Let me know if you want to dive into the math behind the color gradients.