What format should a logo be on Workplace?
Logo images on Workplace should be 495 x 234 pixels or larger. These dimensions ensure that the image will fit in the provided logo template.
Images larger than 495 x 234 pixels are scaled down to fit into the logo template.
The following formats are supported:
.PNG (with or without background)
Keep in mind that animated formats such as .GIF aren't supported and files should be saved in RGB mode. Uploaded logo(s) in CMYK mode may be different in color compared to the original file preview.