Rainbows have been appearing everywhere since the passing of marriage equality into law in Australia – just as they did during the postal survey. From the rainbow flag that was unfurled yesterday in Parliament, to the thousands on social media, rainbows have become a vibrant symbol of the historic milestone in Australia’s history.

Tonight the Sydney Opera House will join the celebrations. The sails on the western side will be illuminated with pink light and the Bennelong sail will glow with a shimmering rainbow.

“The passing of this law by the Australian Parliament after a ‘yes’ vote in the postal survey is a powerful message that same-sex relationships are regarded as both equal and valued,” said Don Harwin, NSW Minsister for Arts.

“I feel proud that Australia has embraced the idea that the celebration of love and the institution of marriage belong to all of us. Tonight’s illumination is particularly powerful because of the strong public support for same-sex marriage shown by many of the resident companies based at the Sydney Opera House, said Harwin.

Resident companies at the SOH which publicly stated their support for marriage equality included Australian Chamber Orchestra, Bangarra Dance...