DO
Pair near-black #080F11 with warm cream #E5E4D8 — that contrast is the brand
Use green for throughput, teal for latency, red for errors — consistently
Set metrics, NRQL, and IDs in Geist Mono
Give every chart a current value, unit, and delta
Show the time range on any time-series view
DON'T
Don't cool the cream to plain white — the warmth is the identity
Don't invent dark surfaces; anchor on the real near-black #080F11
Don't reuse a data-viz color for an unrelated signal
Don't set metric values in a proportional font
Don't show a sparkline without its scale / current value