.config_fontconfig_fonts.conf

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
 <!--
<match>
 <test name="family"><string>sans-serif</string></test>
 <edit name="family" mode="prepend" binding="strong">
  <string>Noto Color Emoji</string>
 </edit>
</match>

<match>
 <test name="family"><string>serif</string></test>
 <edit name="family" mode="prepend" binding="strong">
  <string>Noto Color Emoji</string>
 </edit>
</match>
-->
 <alias>
  <family>sans-serif</family>
  <prefer>
   <family>NotoSans</family>
   <family>NotoColorEmoji</family>
   <family>NotoEmoji</family>
  </prefer>
 </alias>
 <alias>
  <family>serif</family>
  <prefer>
   <family>NotoSerif</family>
   <family>NotoColorEmoji</family>
   <family>NotoEmoji</family>
  </prefer>
 </alias>
 <match>
  <test name="family">
   <string>Apple Color Emoji</string>
  </test>
  <edit binding="strong" name="family" mode="prepend">
   <string>Noto Color Emoji</string>
  </edit>
 </match>
 <dir>~/.fonts</dir>
</fontconfig>