The Picolor colour paint mixing system is now available to back via Kickstarter with super early bird pledges available from just $66 or £47.

Mixing wall paint and caulk might seem like a time-saving hack, but the results depend on compatibility. Some pairings work , ...

This color model mimics the mixing of colored lights rather than physical pigments, making combined shades appear muddled and less vibrant. Actual paint behaves differently.

Researchers at Western University, however, have taken advantage of this pigment mixing to create colors not found in any commercial filament (open access paper).