Stuart Semple has released the "flattest, mattest, black acrylic paint in the world" and banned Anish Kapoor from using it, as the latest development in an ongoing feud between the two British artists. More
Secret 7" has invited 10 artists to decorate one-off turntables for the Planar 1/1 exhibition and online auction, with the proceeds going to mental health charity Mind. More
A feud that has previously seen Anish Kapoor banned from using the "world's pinkest pink" continues, with its creator Stuart Semple now prohibiting the artist from using his new colour-changing paint. More
Artist Stuart Semple has revealed his latest creation in an ongoing colour battle with Anish Kapoor – an "open source" cherry-scented version of the Vantablack pigment exclusively licensed to Kapoor. More
Artist Anish Kapoor has got his hands on the "world's pinkest pink", which he is legally forbidden from using. More
