https://pixelambacht.nl/2014/multicolor-fonts/

https://ilovetypography.com/2017/04/03/the-evolution-of-chromatic-fonts/

https://hacks.mozilla.org/2014/10/svg-colors-in-opentype-fonts/

https://superdevresources.com/color-fonts-free-premium/

https://css-tricks.com/it-all-started-with-emoji-color-typography-on-the-web/

https://www.colorfonts.wtf/