Quick way to set background to transparant
24385
Replacing whiteness with transparency in Photoshop
123987
Set title background color
36769
directly change the background value of a SparseArray?
124626
Text effect on any background color
65262
Techniques for embedding images with transparent backgrounds in LaTeX
54338
How to make colored backgrounds not influence the color of an object
94568
make an image that appears transparent (but has a background) actually transparent
76470
How to change the Viewport background color?
79379
How to change background and maintain realistic effect?
17045
How can I render an object with an hdr background?
129802
How to make a color appear the same on different backgrounds?
64347
FFmpeg: Convert transparency to a certain color
80991
How to set a solid color wallpaper?
44329
\begin{framed} with background-color
16580
A single row background colour
54951
How can I reflect a transparent background?
22974
Changing the Title Frame color to a Gradient