[R] datatable using dt not able to print background colors

CALUM POLWART po|c1410 @end|ng |rom gm@||@com
Sat Dec 17 09:27:56 CET 2022

I don't think this is an R issue, it's a HTML tables issue // browser issue.

There are some hacks using background image (not R specific).

BUT before you do any of this... Consider if colour is your answer!  8% of
males are colour blind, so your table isn't as accessible as you may think
it is. That's before you get to people who print in B&W etc

On Sat, 17 Dec 2022, 00:21 Matthew Pirritano, <MPirritano using lacare.org> wrote:

> Hey, all!
> I've got a report that uses datatable from DT to create an rmarkdown html
> that looks great as an html but when I try to print it, to a printer, or to
> a pdf the colors I've assigned to cells are not displaying. I'm using
> chrome and I've clicked on the Background graphics button there, but that
> doesn't help print the colors. I have tried to run the datatable section of
> the code using results = 'asis' and eliminating results = 'asis'. Neither
> seems to help with the
> My css style at the top of the rmarkdown is
> <style type="text/css">
> .main-container {
>   max-width: 1500px;
>   margin-left: auto;
>   margin-right: auto;
>   table.display td { white-space: wrap; }
> }
> td{
>   -webkit-print-color-adjust:exact !important;
>   print-color-adjust:exact !important;
> }
> </style>
> I added the webkit bit based on what I've found online. Maybe I have
> something set up incorrectly there? Any ideas or thoughts on how to get
> this to print the background colors?
> Thanks
> matt
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