One ink, one accent, never rainbow. Charts inherit currentColor; emphasis comes from black (our line) vs n-300 (comparison). Scene-only palettes (--data-*) are reserved for persona plots where 4+ series must disambiguate.
Stat card
mono · tabular · 72px
93%
alignment with real-world human outcomes
350+
academic studies replicated
5×
prices raised · revenue doubled
Line · time series
2px stroke · dotted gridline · no fill
Subconscious ARRLegacy research
Bar · traditional vs ours
2-row pairs · no axis
Time to insight
6-8 wk
ours
<5 min
Behavioral accuracy
62%
ours
93%
Dot matrix · population / cohort
140 cells · n-50 / n-900 only
93 of 100 synthetic respondents matched held-out human choices
Rules
apply to every chart
01Never more than 2 series in a single chart unless comparing 4+ personas.
02Our line is always --n-900. Comparison is always --n-300.
03Numbers in Sohne Mono. Axis labels in Sohne Mono 10px.
04No gridlines except dotted x-every-N. No bounding box. No legend unless needed.
05Endpoints get a dot + callout. Never label every point.
06Fills only for area charts showing uncertainty (± confidence band at 12% alpha).