A new exhibition chronicles how a paintings conservator and chemist solved a color mystery in one of the painter’s most beloved works.

“The wallpaper in my lounge has tiny bits of blue and green dotted around it, so I decided to pull the color from there, which almost gets lost on the wall itself in and amongst the more vibrant ...

Have you ever chosen a shade of green because you saw it in someone else's space, but can't quite work out why it looks so different in yours? It turns out light can have a huge impact on the way this ...