Yours don't, mine don't, Rob Studdert's don't, Juan Buhler's don't, many others don't, but quite a few have. Sometimes the color cast is very subtle, but it's noticeable.
Shel > [Original Message] > From: Godfrey DiGiorgi > Shel, > > Nearly all of the JPEGs I post have an embedded sRGB profile, > regardless of whether they are grayscale or RGB. Are any of them > tinted? They're not on my screen, but I don't know how they render on > your screen. I'd say that if they have a tint, something is likely > off in your monitor calibration.