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Sedna.UI
v0.17.0 · main

Tokens

tier 2 — classes

Every colour, size, radius and duration in the stylesheet resolves through one of these, and all of them are below. The values are read from the stylesheet the browser actually loaded, so they follow the theme, the colour-blind palette and any override an app has applied.

Redefine these in your own brand.css Load it after the library sheet. Never declare a -- name the library does not already define: a future version may introduce that name with a different meaning, and your app breaks on upgrade. Getting started has the block to copy.

Typography

--font-sans
--font-mono

Surfaces, text, lines

--bg
--bg-elevated
--bg-hover
--fg
--fg-soft
--muted
--border
--border-strong
--border-hover
--divider
--card-bg
--surface-soft
--surface-strong
--on-solid
--on-viz
--redacted

Named surfaces and elevation

--surface-app
--surface-chrome
--surface-content
--surface-raised-1
--surface-raised-2
--surface-raised-3

Brand — the app override point

--brand
--brand-hover
--brand-active
--brand-soft
--brand-text
--brand-tint
--brand-tint-strong
--brand-ring
--brand-ring-soft
--brand-ring-check
--brand-glow
--accent
--state-accent
--state-motion
--sidebar-bg
--sidebar-border
--sidebar-fg
--sidebar-active
--sidebar-hover

Status — go (sends outward)

--go-solid
--go-hover
--go-active
--go-bg
--go-border
--go-fg
--go-ring

Status — warn (control changes)

--warn-solid
--warn-hover
--warn-active
--warn-bg
--warn-bg-hover
--warn-bg-active
--warn-border
--warn-fg
--warn-ring
--warn-ring-solid

Status — danger

--danger-solid
--danger-bg
--danger-bg-hover
--danger-bg-active
--danger-border
--danger-border-strong
--danger-fg
--danger-ring

Status — info & secret

--info-bg
--info-border
--info-fg
--info-solid
--info-ring
--secret-bg
--secret-border
--secret-fg

Severity — an ordered five-step ramp

--sev-1-solid
--sev-1-bg
--sev-1-border
--sev-1-fg
--sev-2-solid
--sev-2-bg
--sev-2-border
--sev-2-fg
--sev-3-solid
--sev-3-bg
--sev-3-border
--sev-3-fg
--sev-4-solid
--sev-4-bg
--sev-4-border
--sev-4-fg
--sev-5-solid
--sev-5-bg
--sev-5-border
--sev-5-fg

Categorical badge hues

--badge-cyan-bg
--badge-cyan-border
--badge-cyan-fg
--badge-orange-bg
--badge-orange-border
--badge-orange-fg
--badge-teal-bg
--badge-teal-border
--badge-teal-fg

Component surfaces

--badge-bg
--table-head-bg
--btn-active-bg
--code-fg
--code-bg
--backdrop
--overlay
--spotlight-dim
--media-bg
--media-scrim
--tip-bg
--tip-border
--tip-fg
--scrollbar
--scrollbar-hover
--scroll-shade
--progress-track
--skeleton-bg
--skeleton-sheen
--presence-out-of-office

Shadows

--shadow-topbar
--shadow-bottombar
--shadow-nav-tools
--shadow-modal
--shadow-tip
--shadow-flyout
--shadow-dropdown
--shadow-float
--shadow-pop
--shadow-tile
--shadow-edge-start
--shadow-edge-end

Reconnect banner

--reconnect-warn-bg
--reconnect-warn-border
--reconnect-warn-fg
--reconnect-fail-bg
--reconnect-fail-border
--reconnect-fail-fg

Spacing scale

--space-1
--space-2
--space-3
--space-4
--space-5
--space-6
--space-7
--space-8
--space-9
--space-10
--space-11

Type scale

--text-1
--text-2
--text-3
--text-4
--text-5
--text-6
--text-7
--text-8
--text-9
--text-10
--text-11

Control height

--control-height-sm
--control-height
--control-height-lg

Choice inset

--choice-inset-check
--choice-inset-switch

Corner rounding

--radius-control
--radius-surface
--radius-panel
--radius-inner
--radius-small
--radius-pill

Motion

--motion-fast
--motion-mid
--motion-slow
--spin-duration
--progress-duration
--skeleton-duration
--pulse-duration

Density and metrics

--page-max
--cell-pad-x
--cell-pad-y
--card-pad-block
--card-pad-inline
--list-pad-block
--list-pad-inline
--list-gap
--list-lines
--code-clamp

Safe area

What this device has taken from each edge: 0px on a desktop and wherever nothing is in the way, the home indicator, notch or rounded corner on a phone or a tablet. A rule that adds the token is right on both without asking what it is running on; the host page needs viewport-fit=cover for the values to arrive at all.

--safe-block-start
--safe-block-end
--safe-inline-start
--safe-inline-end

Data visualisation

--viz-1
--viz-2
--viz-3
--viz-4
--viz-5
--viz-6
--viz-previous

Browser-drawn chrome

--color-scheme
--picker-invert

Palette — the two absolutes

--white
--black

Palette — slate (the neutral spine)

--slate-50
--slate-100
--slate-200
--slate-300
--slate-400
--slate-500
--slate-600
--slate-700
--slate-750
--slate-800
--slate-850
--slate-900
--slate-925
--slate-950

Palette — coral (the brand ramp)

--coral-50
--coral-100
--coral-200
--coral-300
--coral-400
--coral-500
--coral-600
--coral-700
--coral-800
--coral-900
--coral-950

Palette — orbit (accent and information)

--orbit-50
--orbit-100
--orbit-200
--orbit-300
--orbit-400
--orbit-500
--orbit-600
--orbit-700
--orbit-800
--orbit-900
--orbit-950

Palette — navy (mark and illustration only)

--navy-50
--navy-100
--navy-200
--navy-300
--navy-400
--navy-500
--navy-600
--navy-700
--navy-800
--navy-900
--navy-950

Palette — green (go)

--green-200
--green-300
--green-400
--green-500
--green-600
--green-700
--green-800
--green-900

Palette — amber (warn)

--amber-200
--amber-300
--amber-400
--amber-500
--amber-600
--amber-700
--amber-800
--amber-900

Palette — crimson (danger)

--crimson-200
--crimson-300
--crimson-400
--crimson-500
--crimson-600
--crimson-700
--crimson-800
--crimson-900

Palette — violet (secret)

--violet-200
--violet-300
--violet-400
--violet-500
--violet-600
--violet-700
--violet-800
--violet-900

Palette — cyan

--cyan-200
--cyan-300
--cyan-400
--cyan-500
--cyan-600
--cyan-700
--cyan-800
--cyan-900

Palette — orange

--orange-200
--orange-300
--orange-400
--orange-500
--orange-600
--orange-700
--orange-800
--orange-900

Palette — teal

--teal-200
--teal-300
--teal-400
--teal-500
--teal-600
--teal-700
--teal-800
--teal-900

Palette — indigo (inline code)

--indigo-200
--indigo-300
--indigo-400
--indigo-500
--indigo-600
--indigo-700
--indigo-800
--indigo-900