The dome at Fort Regent and 125 other landmarks around the world have turned purple to coincide with the start of the Paralympics.
It's part of a global campaign to encourage greater visibility for the 1.2 billion people who have some form of disability - 15% of the world's population.
The Empire State Building, Colosseum, and London Eye are among the landmarks being illuminated.
Embed not found
The video produced for the #WeThe15 campaign
"Like race, gender and sexual orientation, we want to have a movement all persons with disabilities can rally behind. A global movement that is publicly campaigning for disability visibility, inclusion and accessibility." -WeThe15 campaign
At the same time, Jersey's government has launched a survey that will help to reform future discrimination laws.
The Social Security Minister, Deputy Judy Martin says she hopes it will 'improve attitudes across the island' and provide better opportunities for disabled islanders:
"This important work will help our team get a true and clear picture of what life is like for disabled Islanders and I would like to encourage everyone, whether they have a disability or not, to take part."

Under-16 social media ban 'will protect children'
Hospital air-con failure fixed
Jersey Zoo welcomes baby cabybaras
Parish officially takes over Sandy Park
Two Jersey charity leaders become MBEs in King's Birthday Honours
Election voter turnout revealed
States members sworn in as Chief Minister discusses Ministerial options
Man (36) found guilty of child sexual abuse