fonts.conf

<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
 <dir>~/.fonts</dir>
 <match target="font">
  <edit mode="assign" name="hinting">
   <bool>true</bool>
  </edit>
 </match>
 <match target="font">
  <edit mode="assign" name="hintstyle">
   <const>hintslight</const>
  </edit>
 </match>
 <match target="font">
  <edit mode="assign" name="rgba">
   <const>rgb</const>
  </edit>
 </match>
<match>
  <test name="family"><string>sans-serif</string></test>
  <edit name="family" mode="prepend">
    <string>Noto Color Emoji</string>
  </edit>
</match>
<match>
  <test name="family"><string>serif</string></test>
  <edit name="family" mode="prepend">
    <string>Noto Color Emoji</string>
  </edit>
</match>
<match>
  <test name="family"><string>monospace</string></test>
  <edit name="family" mode="prepend">
    <string>Noto Color Emoji</string>
  </edit>
</match>
<match>
  <test name="family"><string>Apple Color Emoji</string></test>
  <edit name="family" mode="prepend" binding="strong">
    <string>Noto Color Emoji</string>
  </edit>
</match>
</fontconfig>