COLOR
#575B5B
≈ Crucible
Values · copy any
On white
Aa
6.88:1
Passes AA
On black
Aa
2.54:1
Fails AA
Best text on this color
Aa#FFFFFF(6.88:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#575B5B
Protanopia#5A5B5B
Deuteranopia#5A5A5B
Tritanopia#565B5B
Tints & shades
Color harmonies
Open in scheme generator →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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