По тема Цветове:

https://chrome.google.com/webstore/detail/eye-dropper/hmdcmlfkchdmnmnmheododdhjedfccka?hl=en

Eye Dropper is open source extension which allows you to pick colors from web pages, color picker and your personal color history.
Eye Dropper is extension for Google Chrome and Chromium. It allows you to pick color from any webpage or from advanced color picker. It is great tool for web developers.

По тема Шрифтове:

https://fontface.ninja/

Fontface Ninja is really quick and simple to use.
• Activating the extension allows you to identify the font used on any websites. You want to find the name of a font? Fontface Ninja will do the job for you! It gives you the name, size, line spacing, letter-spacing, and the color too! 
• Click on a font to try it and get the price (or download it, if it's free).

https://www.elegantthemes.com/blog/resources/30-retro-fonts-for-timeless-designs
30 Ретро шрифтове за неостаряващ дизайн