Apparently, when the contrast of some UI elements was increased on meta.scifi.SE per this request, one case was missed: the username of the question owner is still shown as light pink on white in comments:
An easy fix would be to make the current CSS rule:
.owner a, .owner a:visited {
color: #ca4040;
}
read instead as:
.owner a, .owner a:visited, a.owner, a.owner:visited {
color: #ca4040;
}
With this simple change, the link color becomes a much more readable dark pink: