Foundations

Colour

No hues. Two surfaces — night (signature) and paper (reading) — plus the moon. Emphasis is created by raising brightness, never by introducing a colour.

Night · the signature surface

night

--night

night-1

--night-1

night-2

--night-2

night-3

--night-3

on-night

--on-night

on-night-2

--on-night-2

on-night-3

--on-night-3

line-night

--line-night

Paper · the reading surface

paper

--paper

paper-1

--paper-1

paper-2

--paper-2

ink

--ink

ink-2

--ink-2

ink-3

--ink-3

line

--line

moon

--moon

State · CP / HRV zones, encoded in tone

Low--zone-1

Under--zone-2

Norm--zone-3

Good--zone-4

Coherent--zone-5

dim → bright = restless → coherent. A single muted ember --signal #C66A4A is reserved for true alerts only.