SAME-SEX marriage advocates armed themselves with chalk to respond to a planned protest against homosexuality and same-sex marriage.
The team of 12 drew a rainbow on the corner of Paterson and St John streets and wrote a message of love, respect and equality.
The anti-same-sex marriage group failed to arrive.
Chalk rainbow organiser Rick Marton said information released by rally organiser Three Wise Monkeys was ``incorrect''.
``It's factually wrong and doesn't make people feel good,'' he said.
``We want people to understand that if someone is going to produce a message that could drive them to feel worthless or to hurt themselves, that is a painful, wrong message.''
Mr Marton, who helped organise a similar chalk rainbow in Civic Square earlier this year, said Launceston needed to present itself in a positive light.
``We were voted most family-friendly city - family includes all families, not just a mum and dad and 2.3 children,'' he said.
Three Monkeys spokesman and Senate candidate Andrew Roberts said the rally had been cancelled as the group was concerned its message had not reached far enough.
Australia Post refused to distributed 60,000 flyers from the group earlier this year on grounds that they were hate speech.