Mixing The Scales
Six different meanings, all rendered as coloured dots. The reader cannot tell which question a colour is answering.
A system that scores several different things — urgency, suitability, confidence, completion — tends to render them all the same way. Once red means both urgent and unsuitable, a reader has to infer which question is being answered. Giving each scale its own shape removes the ambiguity for free.
Pattern
Output carries 6 different kinds of rating. Priority. How suitable an option is. How confident the system is. How complete something is. What tier a contact belongs to.
Each is genuinely useful. All 6 get rendered as coloured dots, because coloured dots are what is at hand.
Why it looks right
Consistency is normally a virtue in an interface, and one visual language across a system looks deliberate. Red-means-attention is also the most learnable convention there is.
The collision is invisible while each rating appears alone. It only bites when two appear in the same paragraph.
Why it fails
The reader is doing an extra decode on every symbol: which question is this answering? When red means both urgent and poor option, a red mark beside a recommendation is ambiguous in the worst possible way — it could mean act now or do not do this.
Worse, the ambiguity is silent. Nobody reports being confused; they just occasionally read it the other way.
Instead
Give each scale its own shape. Colour carries intensity, shape carries which question:
squares🟥🟧🟨🟩— how good an option is · circles🔴🟠🟡🟢— how urgent · blocks█░— how complete · rings●○— how confident · stars — quality rating
Now a shape answers which question before colour answers how much, and the two decodes stop interfering.
Two rules make it hold. The mapping is written down once, centrally, rather than being re-invented per output. And a new scale must claim an unused shape — if none of the 5 remaining shapes is free, that is a signal the system is measuring more things than a reader can hold, which is a content problem wearing a formatting costume.
$ head -12 mixing-the-scales.md
$ cite mixing-the-scales
Citation id SV-5398 is stable. It resolves at
https://stillvalid.dev/c/SV-5398 even if this artifact moves to another section,
which a bare URL does not survive. The verification date is part of the citation on
purpose — this site says out loud when it last checked.
[Mixing The Scales](https://stillvalid.dev/patterns/mixing-the-scales) — stillvalid, SV-5398 (anti-pattern, verified 2026-08-14)