How to change the check icon of the selected image

[pistolcaffe]

For ef_ic_done_white currently in use in the library, it seems that the icon is not clearly visible when i select a white image.

I wonder if there is a way to change that icon. Thanks

[thanhthang90]

The same problem as above, I want to change this image, please help.

[raiarainne]

Same problem for me. How can we change the check icon or its color

[elsonwx]

It's too unclear for selected white image