Members of criminal gangs could be forced to wear "embarrassing" bright pink overalls in prison under a plan being considered Monday by an Australian state as it cracks down on bikers.

Queensland Police Minister Jack Dempsey said he was thinking about replacing the olive green clothing for something which makes the prisoners stand out more, and fluorescent pink is in his sights.

State Premier Campbell Newman said hot pink prison uniforms, which are used in parts of the United States, were a great idea for incarcerated members of biker gangs.

"They are bullies. They like to wear scary looking gear, leather jackets, they have the tattoos, they have their colours," he told reporters Monday.

"We know that telling them to wear pink is going to be embarrassing for them."

Queensland last week passed tough new laws to combat outlaw motorcycle gangs as authorities seek to destroy what they describe as "criminal organisations" that have become a growing menace across the country with links to drugs and guns.

Under the legislation, which names gangs such as the Bandidos, Hells Angels, Rebels and the Finks as criminal organisations, members face an additional 15 years to any prison term while authorities will have the power to destroy motorcycles.

Newman confirmed Sunday that state Attorney-General Jarrod Bleijie had been threatened by biker gangs since the laws were passed, but did not elaborate.

"There have been threats made. That's as far as I'm going," he said.

"The government went in with our eyes open," he added.

"We know these are criminal gangs, people who manufacture drugs, distribute them, create misery in our community, bash people up, threaten people, murder people on occasions and also rape.

"They are just absolute criminals and we knew they would not go quietly."

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  • Two Hell's Angels walk around the site on the final day of the Bulldog Bash on August 10 2008 in Warwickshire, England. (Photo by Matt Cardy/Getty Images)

  • Hells Angels member Peter Zervas is led by police in to Central Local Court on July 9, 2009 in Sydney, Australia. (Photo by Lisa Maree Williams/Getty Images)

  • Hells Angel and Bulldog Bash press officer Echo (L) talks to the media during setting up of this year's Bulldog bash at Long Marston Airfield on August 5, 2009 in Stratford-upon-Avon, England. (Photo by Christopher Furlong/Getty Images)

  • Armed police watch as a Hell's Angel leaves on the final day of the Bulldog Bash on August 10 2008 in Warwickshire, England. (Photo by Matt Cardy/Getty Images)

  • A feature of a member of the biker group 'Hells Angels' outside the district court on January 9,2008 in Muenster, Germany. (Photo by Martin Rose/Getty Images)

  • Policemen surround a member of the biker group 'Bandidos' outside the district court on January 9,2008 in Muenster, Germany. (Photo by Martin Rose/Getty Images)

  • Amsterdam Hells Angels' president Daniel Uneputty (R) is congratulated by members at the court house of Amsterdam 20 December 2007 after the court dismissed the claim of the public prosecutor to sentence the Hells Angels as a criminal organisation. (EVERT ELZINGA/AFP/Getty Images)

  • A Hell's Angel stewards the drag strip at the Bulldog Bash on August 9 2008 in Stratford-on-Avon, Warwickshire, England. (Photo by Matt Cardy/Getty Images)

  • Bikers leave after the funeral for Gerard Tobin, outside Mortlake cemetary on September 15, 2007 in London England. (Photo by Cate Gillon/Getty Images)