Question / Help Blurred png img and browser source

[Zuenf]

Sorry my English is bad, but i need help.
My png image source and browser source blurred. I use original sizes without transformations.
How its looks (look at the SUBGOALS title and username in chat):

video settings:

output settings:

 

[R1CH]

This is due to chroma sub-sampling. Reds and purples are particularly affected.

See https://en.wikipedia.org/wiki/Chroma_subsampling for more background info.