Use cases
Colour Codes — where it earns its place
On Colour Codes —
The colour in your head is one thing; the colour the machine wants is a string of hexadecimal. Colour Codes translates between the ways colour gets written down, so the shade you chose stays the same shade whether it is going into a stylesheet, a paint chat, or a craft project. … On this page: three concrete ways anyone who does this calculation more than once reaches for the Colour Codes, and the signals that tell you it fits.
When the Colour Codes earns its place
You come to the Colour Codes the way you come to any well-made calculator: with numbers, a question, and no patience for a landing page. It gives you a result and forgets it. That is its whole personality.
Most tools in this category — web calculators festooned with ads, spreadsheet templates you paid for once and lost — solve a version of the same problem, then bill you monthly for the privilege of remembering it. The Colour Codes takes the opposite bargain: one file, once, kept.
Three scenarios drawn from creative, art, and general
The everyday one: you open the Colour Codes on a Tuesday morning, punch in the numbers, and close it. Two minutes. The record is more honest than the app that pinged you to remind you.
The specific one: — the workflow it names is the calculation that most needs a home outside a subscription. Some people use only the Colour Codes. Some fold it into a Swiss Knife next to five others. Both are correct.
The out-of-band one: months later, you want to look back. The Colour Codes still opens because it is a file. There is no login lapsed, no export deadline missed. The answer is where you left it.
Signals it fits anyone who does this calculation more than once
You want a calculation that behaves like a document, not a service. You are comfortable typing your own numbers in. You would rather own the file than rent the calculator. Weight in the knife: 1. Manual: no manual — the tool is its own instructions.
Signals it fits
- You do this calculation more than onceThe Colour Codes pays back every time you don't have to reinvent the shape.
- You want it offline, on your own machineNo account, no cloud, no vendor between you and the arithmetic.
- You're comfortable with a hand-kept fileThe Colour Codes is a document. It behaves like one.
Questions people ask
How do I convert a hex colour to RGB or other formats?
Give it the colour in the notation you have, and it shows the same colour in the notations you need. One shade, several spellings, no transcription errors.
Is this a full replacement for web calculators festooned with ads?
For the working core of what most people use it for — yes. For enterprise features (team seats, integrations, auto-import), no. The Colour Codes is deliberately smaller and more honest about its scope.
Who is the Colour Codes not for?
Anyone who does this calculation more than once's opposite: a team that needs shared cloud state, or someone who wants automation over ownership. Use a SaaS for that; use this for the file.
A calculation that opens where you left it, on the machine you left it on.