Check to see if a default tint is being added to your maps. Double click on the image and look for a tint. Change it to transparent if any has been added. If that is happening to all graphics, it may be that you have set a default tint to all graphics on your campaign settings page. If this is the case, you will need dev assistance to unset it, due to a long-standing bug. The address is <a href="mailto:team@roll20.net" rel="nofollow">team@roll20.net</a>.