UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36

Example URL:
https://employees.csbsju.edu/hjakubowski/classes/ch331/cho/hemiacetalchem.gif

Steps to reproduce the problem:
1. Go to https://employees.csbsju.edu/hjakubowski/classes/ch331/bcintro/olintro1.html
2. Scroll down and click on each of the following links for example:
Cyclization of simple sugars through hemiacetal links (https://employees.csbsju.edu/hjakubowski/classes/ch331/bcintro/olcarbo1intro.gif)
Hemiacetal/acetal chemistry (https://employees.csbsju.edu/hjakubowski/classes/ch331/cho/hemiacetalchem.gif)
Examples of complex carbohydrates (https://employees.csbsju.edu/hjakubowski/classes/ch331/cho/polysacch.gif)
3. View the image and see that it is dark and poorly rendered.
4. Attempt to do the same on Firefox or IE and see that the same issue is not reproducible in them. 

What is the expected behavior?
Clear image

What went wrong?
Cannot see the image as it is dark (example attached).

Does it occur on multiple sites: N/A

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Does this work in other browsers? Yes

Chrome version: 70.0.3538.110  Channel: n/a
OS Version: 10.0
Flash Version: 

Seems to be unrelated to the most recent update. I had the previous version on another computer and checked the above on it. The problem reproduced itself there too.
 

Deleted: 2018-12-04.png 36.7 KB

	2018-12-04.png 36.7 KB View Download