Browser Compatibility Testing of #RRGGBBAA HEX COLOR NOTATION

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Google Chrome

#rrggbbaa hex color notation element is not supported by Chrome version 4 to 51. This property is not supported but can be enabled for Chrome 52 to 61. It can be enabled via the 'Experimental web platform features' flag. Chrome 62 to 67 is compatible with this property.

Mozilla Firefox

This element is not supported by Mozilla Firefox browser version 2 to 48. Firefox 49 to 60 supports #rrggbbaa hex color notation .This element is not supported by Mozilla Firefox browser version 2 to 48. Firefox 49 to 60 supports #rrggbbaa hex color notation

Internet Explorer

IE browser doesn't support this web element.


Safari browser version 3.1 to 9.1 doesn't support #rrggbbaa hex color notation. Safari 10 to 11.1 supports this browser element.

Microsoft Edge

This browser element is not supported by Microsoft Edge browser.


Early Opera browser versions from 10.1 to 37 doesn't support #rrggbbaa hex color notation element . #rrggbbaa hex color notation is not supported but enabled by Opera version 39 to 51. Opera 52 and 53 supports this property.

Information sourced from

"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

  • Google Chrome
  • Mozilla
  • Edge
  • IE
  • opera
  • Safari
  • Yandex

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