Identity

5 min read

Tom de Vries

The five-colour rule for palettes that survive real use

The five-colour rule for palettes that survive real use, cover image

Big palettes look generous in a guideline and fall apart in a product. Five colours, each with one job, go further.

Every identity presentation has the same slide: a dozen beautiful colours, carefully named. Six months later the team is using two of them, plus a blue nobody approved. The palette did not fail because it was ugly. It failed because nobody knew what each colour was for.

Give every colour one job

We work with five roles: background, surface, ink, muted text and accent. If a colour cannot be described by its job, it does not make the cut. This feels restrictive for about a week and then becomes a relief.

Test it on the boring things

Palettes are chosen on posters and lived with on invoices. Before anything is approved, we put it on a data table, a form error, a long article and a dark slide. A colour that only works at full bleed is decoration, not a system.

Contrast is not optional

Check every text pairing against accessibility standards early, while changing it is still cheap. A muted grey that fails on a white card will fail for real people, and it will fail in the place where they are trying to read the price.

Five colours, each with one job, is not minimalism for its own sake. It is the smallest system that still does everything you need.

Portrait of Tom de Vries

Written by

Tom de Vries

Partner, Design

Runs identity and type. Believes a good system should still work in black and white at 16px.

Abstract monochrome light on a dark background

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Abstract monochrome light on a dark background

Start here

Twelve weeks from now, your brand could be live.

Book a free call. If we’re not the right fit, we’ll tell you who is.

1

Tell us where you are

Thirty minutes. No pitch, no deck.

2

Get a straight answer

Scope, price and timing by the next day.

3

Lock your slot

One team, one fixed price, one launch date.

London

18 Curtain Road, London

Rotterdam

Keileweg 18, 3029 BS

Phone

+44 20 7946 0107

Studio hours 09–18 CET · your time

09:57

Abstract monochrome light on a dark background

Start here

Twelve weeks from now, your brand could be live.

Book a free call. If we’re not the right fit, we’ll tell you who is.

1

Tell us where you are

Thirty minutes. No pitch, no deck.

2

Get a straight answer

Scope, price and timing by the next day.

3

Lock your slot

One team, one fixed price, one launch date.

London

18 Curtain Road, London

Rotterdam

Keileweg 18, 3029 BS

Phone

+44 20 7946 0107

Studio hours 09–18 CET · your time

09:57

Brand and web design for companies that have outgrown how they look.

greyline®

© 2026 Greyline Studio. All rights reserved.

Brand and web design for companies that have outgrown how they look.

greyline®

© 2026 Greyline Studio. All rights reserved.

Brand and web design for companies that have outgrown how they look.

greyline®

© 2026 Greyline Studio. All rights reserved.

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