Question

I understand the color input currently only works with Opera & Chrome, but it would still be a great time saver if I could define a custom color set that would at least save when I close the browser, or preferably be defined by the website itself.

Is this possible?

Answer 1

Yes, this is possible using the list attribute.

Example:

<input type=color list=colors>
<datalist id=colors>
<option value=#ff0000>
<option value=#ffff00>
</datalist>

I’m not able to test it in chrome, but at least in opera the dropdown menu shows only red and yellow — as specified in the datalist element.