Design Index

epa.gov

Measured in a real browser on 4 November 2026. For reference and benchmarking.

Colours

primary#005ea2
secondary#162e51
accent#1a4480
neutral#1b1b1b
neutral#ffffff
neutral#000000
neutral#dfe1e2
neutral#565c65
neutral#999999
neutral#71767a
neutral#f0f0f0

Fonts

  • Source Sans Pro Web
  • Merriweather Web

Type scale

47px
40px
39px
34px
32px
31px
30px
25px
24px
23px
21px
19px

Corners

4px
8px
50px

Spacing and depth

Spacing base: 4px

Distinct shadows: 3

Text and background pairs below WCAG AA: 0

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