Shopify UI Skills
Opinionated constraints for building Shopify-style interfaces with AI agents.
When to Apply
Reference these guidelines when:
- •Building light-mode interfaces
- •Creating Shopify-inspired design systems
- •Implementing UIs with Inter font and 4px grid
Colors
- •SHOULD use light backgrounds for primary surfaces
- •MUST use
#FEFEFEas page background (surface-base) - •SHOULD limit color palette to 10 distinct colors
- •MUST maintain text contrast ratio of at least 4.5:1 for accessibility
Semantic Tokens
| Token | HEX | RGB | Usage |
|---|---|---|---|
surface-base | #FEFEFE | rgb(254,254,254) | Page background |
surface-raised | #04090B | rgb(4,9,11) | Cards, modals, raised surfaces |
text-primary | #858A8E | rgb(133,138,142) | Headings, body text |
text-secondary | #C9CCCD | rgb(201,204,205) | Secondary, muted text |
text-tertiary | #B9BCBF | rgb(185,188,191) | Additional text |
border-default | #DFE1E2 | rgb(223,225,226) | Subtle borders, dividers |
Typography
- •MUST use
Interas primary font family - •SHOULD use single font family for consistency
- •MUST use
88px/extra_boldfor primary headings - •MUST use
39px/500for body text - •SHOULD reduce font weights (currently 5 detected)
- •MUST use
text-balancefor headings andtext-prettyfor body text - •SHOULD use
tabular-numsfor numeric data - •NEVER modify letter-spacing unless explicitly requested
Text Styles
| Style | Font | Size | Weight | Color | Count |
|---|---|---|---|---|---|
heading-1 | Inter | 88px | extra_bold | #D5D6D7 | 1 |
text-63px | Inter | 63px | semi_bold | #C9CCCD | 1 |
body | Inter | 39px | 500 | #858A8E | 1 |
text-29px | Inter | 29px | semi_bold | #DBDCDE | 1 |
text-27px | Inter | 27px | 400 | #B7BABD | 1 |
text-17px | Inter | 17px | 400 | #B9BCBF | 1 |
text-16px | Inter | 16px | 400 | #9FA2A6 | 1 |
text-15px | Inter | 15px | 300 | #A5A8AC | 1 |
text-15px | Inter | 15px | 400 | #A4A7AA | 1 |
caption | Inter | 13px | 400 | #3E3E3E | 1 |
Typography Reference
Font Families:
- •
Inter(used 14x)
Font Sizes: 12px, 13px, 15px, 16px, 17px, 27px, 29px, 39px, 63px, 88px
Spacing
- •MUST use 4px grid for spacing
- •SHOULD use spacing from scale: 4px, 5px, 6px, 7px, 65px
- •SHOULD use 5px 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: 19px, 26px, 28px
- •SHOULD use 26px+ radius for pill-shaped elements
- •MUST use 2px border width consistently
- •SHOULD use 19px 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: 19px, 26px, 28px
Layout
- •MUST design for 1920px base viewport width
- •SHOULD use consistent element widths: 11px
- •SHOULD maintain text-heavy layout with clear hierarchy
- •NEVER use
h-screen, useh-dvhfor full viewport height - •MUST respect
safe-area-insetfor fixed elements - •SHOULD use
size-*for square elements instead ofw-*+h-*
Detected Layout Patterns
- •Main Content: width: 1855px, height: 1080px
- •Main Content: width: 1920px, height: 747px
- •Main Content: width: 1920px, height: 745px
Components
Buttons
| Variant | Background | Text | Border | Height | Radius |
|---|---|---|---|---|---|
| Ghost | transparent | #B9BCBF | none | - | - |
Interactive States
Focus
- •MUST use
2pxoutline with accent color (#5E6AD2) - •MUST use
2pxoutline-offset - •NEVER remove focus indicators
Hover
- •Buttons (primary): lighten background by 10%
- •Buttons (secondary): use
#04090Bbackground - •List items: use
#04090Bbackground
Disabled
- •MUST use
opacity: 0.5 - •MUST use
cursor: not-allowed
Interaction
- •MUST use an
AlertDialogfor destructive or irreversible actions - •SHOULD use structural skeletons for loading states
- •MUST show errors next to where the action happens
- •NEVER block paste in
inputortextareaelements - •MUST add an
aria-labelto 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-outon entrance animations - •NEVER exceed
200msfor interaction feedback - •SHOULD respect
prefers-reduced-motion
Performance
- •NEVER animate large
blur()orbackdrop-filtersurfaces - •NEVER apply
will-changeoutside an active animation - •NEVER use
useEffectfor anything that can be expressed as render logic