The Thai government has lifted the state of emergency, in force since April, in three more provinces, after liftting it in five provinces on 6 July. However, Bangkok is one of 16 provinces where the emergency is still imposed. This means that political gatherings of more than five people are prohibited, making campaigning for a parliamentary by-election in Bangkok on Sunday effectively illegal. Read more: Reuters
Magenta has no physical wavelength. It thus does not "exist" strictly speaking. Rather our brains are telling us that we are seeing "not green".