Hi Mariusz ,
Thank you for using syncfusion controls.
By default, SfDataGrid doesn’t support the gradient background color for cells. We have logged a feature request “ To provide the support for the gradient background color for cells” for the same. Please let us know which syncfusion version you are currently using, that will help us to provide the fix for the requested feature.
Thank you for requesting this feature and helping us define it. We are always trying to make our products better and feature requests like yours are a key part of our product growth efforts.
You can also communicate with us regarding the open features any time using our Feature Report page.
If you have any more specification/suggestions to the feature request, you can add it as a comment in the portal and cast your vote to make it count.
We appreciate your patience until then.
Regards,
Gowtham G