About Geiger Counter Green Readout
The Geiger Counter Green Readout is the phosphor-green glow of a radiation survey meter — needle dials and segment digits burning against the black bakelite instrument face and dark CRT glass. It is the canonical P1 green-phosphor color of monochrome computing.
This system distills that Cold-War instrumentation aesthetic: glowing green text and a swinging CPM needle on pure-black ground, scanline texture, phosphor bloom, and monospaced segment numerals — read by light, never on a light surface.
- Origin
- Global / Internet (lab and field instrumentation)
- Era
- 1950–1990 (analog survey meters, monochrome P1-phosphor CRTs)
- Key figures
- Scintillation & survey-meter instrument makers · P1 green-phosphor CRT lineage
- Movements
- Cold-War-era radiation instrumentation · Monochrome computing · Green-phosphor terminal aesthetic
Geiger Counter Green Readout design spec
Colors
Background
Surface
Primary
Secondary
Accent
Text
Typography
Share Tech MonoHeadings
JetBrains MonoBody
DSEG7 ClassicMono
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