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Small fonts have color distortions when rendering on Linux, how to fix?

  • 4 wótegrona
  • 2 matej toś ten problem
  • 5 naglědow
  • Slědne wótegrono wót FredMcD

gccpy
gccpy
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I noticed that small fonts on one website were strangely colorful. I narrowed it down to a simple HTML snippet: 

<span style="font-family:sans-serif; font-size:10pt; font-weight:lighter; color:white; background-color:black;"
      >The quick brown fox jumps over the lazy dog</span>

Attached scaled image on how it renders on my Linux Firefox 47.

The text is supposed to be white, and it is working on windows. On two different Linux distributions (Arch and Ubuntu) colors appear out of nowhere. Does Firefox need something specific to be installed on Linux for correct font rendering?

I noticed that small fonts on one website were strangely colorful. I narrowed it down to a simple HTML snippet: <pre><nowiki><span style="font-family:sans-serif; font-size:10pt; font-weight:lighter; color:white; background-color:black;" >The quick brown fox jumps over the lazy dog</span></nowiki></pre> Attached scaled image on how it renders on my Linux Firefox 47. The text is supposed to be white, and it is working on windows. On two different Linux distributions (Arch and Ubuntu) colors appear out of nowhere. Does Firefox need something specific to be installed on Linux for correct font rendering?
Pśipowjesone fota wobrazowki

Wót cor-el změnjony

Wubrane rozwězanje

Looks that Firefox has a problem with the anti-aliasing settings and uses all available horizontal RGB pixels to render the text.

Toś to wótegrono w konteksće cytaś 👍 2

Wšykne wótegrona (4)

gccpy
gccpy Pšašaŕ
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Seems HTML wasn't escaped correctly in the original post:

<span style="font-family:sans-serif; font-size:10pt; font-weight:lighter; color:white; background-color:black;" 

     >The quick brown fox jumps over the lazy dog</span>
cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Wubrane rozwězanje

Looks that Firefox has a problem with the anti-aliasing settings and uses all available horizontal RGB pixels to render the text.

gccpy
gccpy Pšašaŕ
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cor-el said

Looks that Firefox has a problem with the anti-aliasing settings and uses all available horizontal RGB pixels to render the text.

Disabling sub-pixel rendering solved the issue, thanks.

FredMcD
FredMcD
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Hello,

I am glad to hear that your problem has been resolved. If you haven't already, please select the answer that solves the problem. This will help other users with similar problems find the solution more easily.

Thank you for contacting Mozilla Support.