Cal.com vs Signal
74 token-level differences between these two design systems.
Background
#f4f4f4 → #ffffff Text
#111111 → #1c1f23 Brand
#111111 → #3a76f0 Border
rgba(0, 0, 0, 0.08) → #e0e3e8 Display font
Cal Sans → Inter Body size
16px → 16px colors 66 changed
~
bg #f4f4f4 → #ffffff ~
surface-soft #f8f9fa → #f4f7ff ~
surface-strong #e5e7eb → #e8eaee ~
text #111111 → #1c1f23 ~
text-strong #000000 → #0a0d11 ~
text-soft #6b7280 → #7a7f87 ~
text-muted #898989 → #5b6068 ~
brand #111111 → #3a76f0 ~
brand-active #242424 → #234fb8 ~
border rgba(0, 0, 0, 0.08) → #e0e3e8 ~
border-soft #f3f4f6 → #eef0f2 ~
border-strong #e5e7eb → #bcc0c7 +
bg-warm #f8f9fa +
bg-muted #f1f3f5 +
bg-promo #e8efff +
bg-cream #fef9e9 +
surface-elevated #ffffff +
surface-hover #f8f9fa +
text-disabled #a8acb3 +
text-on-brand #ffffff +
text-link #2e62d8 +
text-link-hover #1f4ab2 +
brand-hover #2e62d8 +
brand-soft #e8efff +
brand-deep #234fb8 +
donate-blue #2c6bed +
accent-cyan #5fb3f9 +
accent-yellow #f1c40f +
accent-orange #e69138 +
accent-red #d04a3c +
accent-green #3eaa6c +
border-focus #3a76f0 +
encryption-verified #3eaa6c +
encryption-unverified #7a7f87 +
shadow-card rgba(28,31,35,0.06) +
shadow-modal rgba(28,31,35,0.20) +
shadow-popover rgba(28,31,35,0.12) +
success #3eaa6c +
success-soft #e0f3e7 +
warning #e69138 +
warning-soft #fdf3e8 +
danger #d04a3c +
danger-soft #fbeae6 +
info #3a76f0 +
info-soft #e8efff −
bg-soft #fafafa −
surface-card #f5f5f5 −
surface-dark #101010 −
surface-dark-elev #1a1a1a −
text-body #374151 −
text-faint #9ca3af −
brand-disabled #e5e7eb −
on-dark #ffffff −
on-dark-soft #a1a1aa −
link #0000ee −
link-visited #551a8b −
link-hover #0000aa −
brand-accent #3b82f6 −
badge-orange #fb923c −
badge-pink #ec4899 −
badge-violet #8b5cf6 −
badge-emerald #34d399 −
semantic-success #10b981 −
semantic-warning #f59e0b −
semantic-danger #ef4444 −
semantic-info #3b82f6 typography 4 changed
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display {"family":"Cal Sans","size":64} → {"family":"Inter","size":56} ~
h1 {"family":"Cal Sans","size":36} → {"family":"Inter","size":40} ~
h2 {"family":"Cal Sans","size":28} → {"family":"Inter","size":32} ~
label {"family":"JetBrains Mono","size":11} → {"family":"Roboto Mono","size":11} radius 2 changed
~
button 8px → 6px ~
card 20px → 8px spacing 2 changed
~
lg 48px → 32px ~
xl 96px → 48px