nist.gov
Measured in a real browser on 4 November 2026. For reference and benchmarking.
Colours
primary#005ea2
secondary#ffbe2e
accent#008817
neutral#1b1b1b
neutral#ffffff
neutral#000000
neutral#757575
neutral#f0f0f0
neutral#adadad
neutral#e6e6e6
neutral#2e2e2e
Fonts
- Source Sans Pro Web
Type scale
64px
43px
34px
30px
23px
19px
18px
17px
16px
15px
14px
13px
Corners
4px
50px
Spacing and depth
Spacing base: 2px
Distinct shadows: 4
Text and background pairs below WCAG AA: 0
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