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Editorial Team
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Asked: 2026-06-06T01:08:06+00:00

For a jQuery colorpicker I’ve been working on (https://github.com/vanderlee/colorpicker), I’ve been asked to implement

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For a jQuery colorpicker I’ve been working on (https://github.com/vanderlee/colorpicker), I’ve been asked to implement hex-ARGB (#AARRGGBB) parsing.

However I’m weary to implement hex-ARGB as CSS currently supports the RGBA(r,g,b,a) syntax and, if hex is ever supported, will be more likely to support #RRGGBBAA syntax.

On the other hand, IE’s filter CSS tags already use #AARRGGBB. However, neither format is an actual standard of any kind.

My colorpicker already supports all standard CSS/HTML syntax and has output formatting flexible enough to output most non-standard formats you might want. The problem is input; parsing. There’s no reasonable way to distinguish between the two formats, so I can’t have both of them parsed automatically.

Does anybody know of any strong argument for or against either #AARRGGBB or #RRGGBBAA for use in a colorpicker on the web?

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1 Answer

  1. Editorial Team

    Couldn’t you include a small check box / radio buttons and have one automatic?

    Also, how often does anyone do what IE does? =p I’ve actually never seen ARGB in anything I’ve ever done. Even other Microsoft products.

    I typed ‘ARGB vs RGBA’ in the search engine and found not much useful, except for the fact that after the first page of results, almost no search results included ARGB, which further seems to indicate it’s lack of use.

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