colorpalette.org
COLOR
#101B05
Nightmare
Values · copy any
On white
Aa
17.78:1
Passes AAA
On black
Aa
1.02:1
Fails AA
Best text on this color
Aa#FFFFFF(17.78:1)

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Harmonies · live
Colour-blindness preview
Normal vision#101B05
Protanopia#1D1803
Deuteranopia#1B1806
Tritanopia#111916

Tints & shades

Complementary
Analogous
Triadic
Split-complementary
Tetradic
Monochromatic

Colors that go with Nightmare

Nightmare is an easy neutral to build around — combine it with a single saturated accent to give a neutral scheme a focal point, plus a tint or shade of itself for depth.

Closest named, CSS & systems

Pantone & RAL matches are coming soon — those libraries aren't openly licensed for redistribution.

Nightmare — meaning & where to use it

Nightmare is a deep, shadowy neutral — calm, versatile and understated. It works well for backgrounds, typography and minimalist, editorial layouts where colour should recede. Pair it with a single saturated accent to give a neutral scheme a focal point.

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Nightmare color card — #101B05, 16, 27, 5

1200×1500 — sized for Pinterest, Instagram & social sharing. Free to download and use.

This exact shade isn't a named or standard-set colour, so it isn't indexed — but every tool above works.