Fast shutter speed question

Is it normal to get weaker colour rendition at high shutter speeds (1/1000 +)
This is train photography where panning isn't possible.
I'm finding colour tends to be a bit washed out at high shutter speeds

No.

1/60 at f/16 will give you the same density (exposure) as
1/125 at f11 as
1/250 at f8 as
1/500 at 5.6 as
1/1000 at f4 as
1/2000 at f/2.8 as
1/4000 at f2

if your aperture and shutter speeds are working properly.

It's the law of reciprocity.

Your camera is still using it's meter mode if you are using E-ttl. Even moving the camera slightly can make a difference in exposure.

No, colors stay pretty consistent based on exposure. Maybe they're looking more washed out with your particular settings, that could be overexposing slightly?

Yes, if ISO is changing. ISO affects colors.
If aperture is constant (Manual mode+Auto ISO, for example) and you change time, then ISO must change for the same exposure.

High ISO reduces dynamic range, but pictures don't turn "washed out" with stop increments of ISO.

Post examples.

Nathan wrote in post #18388070
Post examples.

This. Without seeing the photo in question along with exif, it's impossible to tell. Generally what most of the above posted said is correct, given same ISO and same exposure, color should be the same. I'm wondering if with the increase in shutter speed, you also increased ISO to compensate.

Could it be that you use a faster shutter when the light is strong, and you're blaming the camera when the faded colors are really the sun's fault?

It could be anything. Examples needed.

Moving the camera gives different exposure with different colors. But, I would say that examples along with this is needed.