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Case study 06Design system2023

Prism

One system, many colours, zero guesswork.

Glass droplets refracting rainbow light against soft grey
Role
Design systems lead
Timeline
18 months, ongoing
Team
4 designers, 6 engineers
Tools
Figma, Tokens Studio, Storybook

Prism is the design system behind a family of five consumer products. I helped rebuild it from scattered libraries into one shared language of tokens, components and guidance that designers and engineers genuinely enjoy using.

01

The challenge

Five products had drifted into five dialects. There were forty shades of blue, three competing button libraries and no single answer to how a date picker should behave. Every new feature began with an argument.

Fabric swatches and pencils arranged on a light surface

02

The approach

We audited every screen, merged the overlaps and rebuilt the foundations as design tokens that flow from Figma straight into code. Components ship with usage notes, accessibility checks and live examples. A monthly open studio lets any team propose changes, so the system grows with the products instead of policing them.

A minimalist laptop on a clean white desk

03

The outcome

Prism now powers every product in the family. Teams ship interface work faster, audits catch far fewer contrast issues, and new designers are productive in their first week.

  • 40 to 6

    shades of blue

  • −60%

    time to build a new screen

  • 100%

    of components meet contrast guidelines

Thanks for wandering through.

Interface & experience designer

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