> For the complete documentation index, see [llms.txt](https://docs.cwicly.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cwicly.com/tailwind/getting-started/automatically-sync/colours.md).
# Colours
Cwicly colours are automatically synced with Tailwind.
Any colour or palette created within Cwicly will display in the colour selector.
## Apply solid colour
You can apply a solid colour to a block using Tailwind classes.
* Select required block.
* Open the Cwicly colour picker and select the desired colour.
## Apply transparency
You can apply a transparency to a block using Tailwind classes.
* Select required block.
* Open the Cwicly colour picker.
* Hover over the desired solid colour and find its corresponding opacity in the opacity palette.
