Design Handoff

Handoff Checklist

What Developers Need

• All states designed (default, hover, focus, disabled, loading, error, empty)
• Responsive behavior specified (mobile, tablet, desktop)
• Spacing values (use tokens, not arbitrary pixel values)
• Typography specs (font, size, weight, line-height, color)
• Color values (token names preferred over hex)
• Animation specs (duration, easing, properties)
• Edge cases (long text, no data, many items, error recovery)
• Accessibility notes (focus order, ARIA labels, keyboard behavior)

What Developers Don't Need

• Pixel-perfect mockups of every possible state combination.
• Detailed redlines (modern tools provide inspection).
• A 50-page spec document nobody will read.