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ashby-ui-skills

Original：🇺🇸 English

Translated

Ashby's UI design system. Use when building interfaces inspired by Ashby's aesthetic - dark mode, Inter font, 4px grid.

3installs

Sourceihlamury/design-skills

Added on2026-02-07

NPX Install

npx skill4agent add ihlamury/design-skills ashby-ui-skills

Tags

Translated version includes tags in frontmatter

ashby-ui-design design-system dark-mode-standards typography-guidelines accessibility-compliance

SKILL.md Content

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Ashby UI Skills

Opinionated constraints for building Ashby-style interfaces with AI agents.

When to Apply

Reference these guidelines when:

Building dark-mode interfaces
Creating Ashby-inspired design systems
Implementing UIs with Inter font and 4px grid

Colors

MUST use dark backgrounds (lightness < 20) for primary surfaces - detected lightness: 9
MUST use
```
#0E1122
```
as page background (
```
surface-base
```
)
SHOULD limit color palette to 8 distinct colors
MUST maintain text contrast ratio of at least 4.5:1 for accessibility

Semantic Tokens

Token	HEX	RGB	Usage
`surface-base`	#0E1122	rgb(14,17,34)	Page background
`surface-raised`	#FEFEFE	rgb(254,254,254)	Cards, modals, raised surfaces
`text-primary`	#D6D9DD	rgb(214,217,221)	Headings, body text
`text-secondary`	#34384D	rgb(52,56,77)	Secondary, muted text
`text-tertiary`	#797979	rgb(121,121,121)	Additional text
`border-default`	#818288	rgb(129,130,136)	Subtle borders, dividers

Typography

MUST use
```
Inter
```
as primary font family
SHOULD use single font family for consistency
MUST use
```
28px
```
/
```
700
```
for primary headings
MUST use
```
24px
```
/
```
semi_bold
```
for body text
SHOULD reduce font weights (currently 4 detected)
MUST use
```
text-balance
```
for headings and
```
text-pretty
```
for body text
SHOULD use
```
tabular-nums
```
for numeric data
NEVER modify letter-spacing unless explicitly requested

Text Styles

Style	Font	Size	Weight	Color	Count
`heading-1`	Inter	28px	700	#E6E8EB	1
`heading-2`	Inter	25px	semi_bold	#D1D3D8	1
`heading-3`	Inter	24px	semi_bold	#E2E5E9	1
`body`	Inter	24px	semi_bold	#E0E2E6	1
`body-secondary`	Inter	24px	semi_bold	#D7D9DD	1
`text-19px`	Inter	19px	semi_bold	#D6D9DD	1
`text-19px`	Inter	19px	400	#507A5D	1
`text-16px`	Inter	16px	400	#797979	1
`text-15px`	Inter	15px	400	#34384D	1
`caption`	Inter	14px	400	#313549	1

Typography Reference

Font Families:

```
Inter
```
(used 16x)

Font Sizes: 12px, 13px, 14px, 15px, 16px, 19px, 24px, 25px, 28px

Spacing

MUST use 4px grid for spacing
SHOULD use spacing from scale: 2px, 3px, 4px, 5px, 88px
SHOULD use 2px as default gap between elements
NEVER use arbitrary spacing values (use design scale)
SHOULD maintain consistent padding within containers

Borders

MUST use border-radius from scale: 10px
MUST use 4px border width consistently
SHOULD use 10px as default border-radius
NEVER use arbitrary border-radius values (use design scale)
SHOULD use subtle borders (1px) for element separation

Border Radius Reference

Scale: 10px

Layout

MUST design for 1920px base viewport width
SHOULD use consistent element widths: 560px, 17px, 564px, 1px, 79px
SHOULD maintain text-heavy layout with clear hierarchy
NEVER use
```
h-screen
```
, use
```
h-dvh
```
for full viewport height
MUST respect
```
safe-area-inset
```
for fixed elements
SHOULD use
```
size-*
```
for square elements instead of
```
w-*
```
+
```
h-*
```

Components

MUST use
```
0px
```
height for input fields

Inputs

Height:
```
0px
```

Interactive States

Focus

MUST use
```
2px
```
outline with accent color (
```
#5E6AD2
```
)
MUST use
```
2px
```
outline-offset
NEVER remove focus indicators

Hover

Buttons (primary): lighten background by 10%
Buttons (secondary): use
```
#FEFEFE
```
background
List items: use
```
#FEFEFE
```
background

Disabled

MUST use
```
opacity: 0.5
```
MUST use
```
cursor: not-allowed
```

Interaction

MUST use an
```
AlertDialog
```
for destructive or irreversible actions
SHOULD use structural skeletons for loading states
MUST show errors next to where the action happens
NEVER block paste in
```
input
```
or
```
textarea
```
elements
MUST add an
```
aria-label
```
to icon-only buttons

Animation

NEVER add animation unless it is explicitly requested
MUST animate only compositor props (
```
transform
```
,
```
opacity
```
)
NEVER animate layout properties (
```
width
```
,
```
height
```
,
```
top
```
,
```
left
```
,
```
margin
```
,
```
padding
```
)
SHOULD use
```
ease-out
```
on entrance animations
NEVER exceed
```
200ms
```
for interaction feedback
SHOULD respect
```
prefers-reduced-motion
```

Performance

NEVER animate large
```
blur()
```
or
```
backdrop-filter
```
surfaces
NEVER apply
```
will-change
```
outside an active animation
NEVER use
```
useEffect
```
for anything that can be expressed as render logic