Opaque paint conceals the color beneath it.
Translucent ink. The color underneath the ink affects the ink’s color.
Black is always opaque.
What is the best surface for Krink?
There are too many surfaces to suggest one that is best. Experimenting with Krink and other materials or surfaces is the best way to find what works best for you.
Can I use Krink on fabric?
Krink is not specifically formulated for use on fabrics. Results vary depending on the fabric and marker used.