For colors and contrast, use something like http://paletton.com/ http://paletton.com/ where they have it set up to show a color scheme for multiple types of sig

For colors and contrast, use something like http://paletton.com/ http://paletton.com/ where they have it set up to show a color scheme for multiple types of sighted issues. For fonts and text; the Google guidelines aren't awful, assuming you're not hand calculating your px and use em (they talk about it, but it's extremely brief). Or were you asking about something completely different?