GitHub Copilot vs Sierra
69 token-level differences between these two design systems.
Background
#ffffff → #ffffff Text
#1f2328 → #302e2d Brand
#000000 → #006838 Border
#d0d7de → #e4e0dc Display font
Mona Sans → GT America Body size
18px → 16px colors 60 changed
~
surface #f6f8fa → #f6f5f3 ~
text #1f2328 → #302e2d ~
text-muted #59636e → #a39f99 ~
brand #000000 → #006838 ~
border #d0d7de → #e4e0dc ~
border-strong #afb8c1 → #d4cfc9 +
bg-cream #f6f5f3 +
hero-bg #05351d +
text-heading #222222 +
on-hero #ffffff +
brand-bright #0a7d46 +
brand-deep #05351d +
text-soft #55524f +
text-faint #7c7873 +
link #006838 +
link-hover #05351d +
glass-cta rgba(255, 255, 255, 0.10) +
selected-bg #eef0ec +
disabled #a39f99 +
border-subtle #efece8 +
border-hero rgba(255, 255, 255, 0.16) +
success-bg #e3efe7 +
success-text #05351d +
warning-bg #f6ecd9 +
warning-text #6b531c +
danger-bg #f6e4e1 +
danger-text #8a3a2e +
info-bg #e6edf2 +
info-text #2c4a5e −
bg-inverse #0d1117 −
bg-overlay #ffffffee −
surface-strong #eaeef2 −
surface-on-dark #161b22 −
surface-strong-on-dark #21262d −
text-strong #000000 −
text-subtle #6e7781 −
text-on-dark #f0f6fc −
text-on-dark-muted #9198a1 −
brand-hover #1f2328 −
brand-active #3d444d −
brand-on-dark #ffffff −
brand-on-dark-hover #f0f6fc −
accent #0969da −
accent-hover #0550ae −
accent-soft #ddf4ff −
accent-emphasis #0969da −
accent-on-dark #4493f8 −
success #1a7f37 −
success-soft #dafbe1 −
warning #9a6700 −
warning-soft #fff8c5 −
danger #cf222e −
danger-soft #ffebe9 −
done #8250df −
border-muted #d8dee4 −
border-on-dark #3d444d −
scrim rgba(140,149,159,0.15) −
shadow-small rgba(31,35,40,0.04) −
shadow-medium rgba(31,35,40,0.08) −
shadow-large rgba(31,35,40,0.12) typography 5 changed
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display {"family":"Mona Sans","size":96} → {"family":"GT America","size":80} ~
h1 {"family":"Mona Sans","size":64} → {"family":"GT America","size":48} ~
h2 {"family":"Mona Sans","size":56} → {"family":"GT America","size":32} ~
body {"family":"Mona Sans","size":18} → {"family":"GT America","size":16} ~
label {"family":"MonaspiceNe","size":12} → {"family":"SFMono-Regular","size":13} radius identical
No differences.
spacing 4 changed
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xs 4px → 0px ~
sm 8px → 4px ~
md 16px → 12px ~
lg 40px → 32px