colorpalette.org
COLOR
#505751
Crucible
Values · copy any
On white
Aa
7.44:1
Passes AAA
On black
Aa
2.35:1
Fails AA
Best text on this color
Aa#FFFFFF(7.44:1)

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Harmonies · live
Colour-blindness preview
Normal vision#505751
Protanopia#575651
Deuteranopia#565551
Tritanopia#4F5755

Tints & shades

Complementary
Analogous
Triadic
Split-complementary
Tetradic
Monochromatic

Colors that go with Crucible

Crucible 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.

Crucible — meaning & where to use it

Crucible is a rich, mid-toned 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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Crucible color card — #505751, 80, 87, 81

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.