Soot Fern

A dark system. The ground and its surfaces are one neutral stepped in lightness, so the page never becomes one hue at nine brightnesses, and the accent carries real chroma so it can mean something when it appears.

Design an app with this

Roles

Ground#0B080B

Surface#1A161A

Sunken#201D20

Raised#282428

Hairline#343034

Ink#FEF8FE

Muted#A6A1A6

Faint#7C777C

Accent#AFFC41

On accent#0B080B

On ink#0B080B

Data colours

Left over after the roles were filled, and kept at full chroma. A chart series is not chrome: it keeps its own colour through a theme change, and these are the ones spoken for.

#7C5383

#166A7C

#1DD3B0

#B2FF9E

Measured contrast

Ink: 19.1:1
Muted: 7.8:1
Faint: 4.5:1
Accent: 16.0:1
On accent: 16.0:1