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Design system

Calm, clear and quiet

The shared look for the family home apps: mostly white and soft greys, one slate-blue accent, generous space and the phone’s own font.

Colour

Every colour is a --home-* custom property. Ratios are against white unless noted; the test checks them.

  • accent#3a6390 · 6.2:1
  • accent-soft#e8eef5
  • ink#1d1d1f · 16.8:1
  • ink-2#3c3c43 · 10.9:1
  • muted#636368 · 6.0:1
  • control#8a8a91 · 3.4:1
  • line#e3e3e8
  • fill#ececf0
  • bg#f5f5f7
  • surface#ffffff
  • ok on ok-bg#1e6b3c · 5.7:1
  • warn on warn-bg#8a5300 · 5.6:1
  • bad on bad-bg#b3261e · 5.5:1

Type

The phone’s own font: San Francisco on Apple devices, Segoe on Windows, Roboto on Android. No font files to load.

Display 40

Title 28

Title 22

Lead 20

Body 17. The quick brown fox jumps over the lazy dog.

Small 16, the floor for any sentence.

Label 13, short labels only

Space and shape

A 4px grid: 4, 8, 12, 16, 20, 24, 32, 40, 48, 64. Corners: 6 badges, 8 thumbnails, 12 buttons and inputs, 16 cards, 24 sheets.

Buttons and links

A link in a sentence is underlined. A standalone action: See the phone kit

Cards and badges

Pantry

What is in the fridge, freezer and cupboards, and what to use first.

Coming

A plain card

Hairline edge on white; a soft shadow on the grey page.

Fresh2 daysExpiredDraft

Tables

Sample items (made up)
ItemPlaceLeftStatus
Oat milkFridge1Expired
Baby spinachFridge12 days
Basmati riceCupboard1Fresh

Forms

Leave blank if it keeps.

Enter 1 or more

Remind me

Notes

NoteA quiet aside on the grey ground.

TipAdd the app to your home screen to use it offline.

DoneEverything is up to date.

SoonThree things need using this week.

ProblemThe list could not be saved. Check your signal and try again.

Icons

24 line icons in icons.svg: 24px, 1.75 stroke, round ends, drawn in the text colour.

    Prose

    Long reading sits in .h-prose: 17px, lines of at most 68 characters and a little more line height. Write plainly, in British English and sentence case.

    A smaller heading

    Quiet by default; the accent marks what you can do.

    How to use the files: README.md. The rules: DESIGN.md and DESIGN-APP.md.