COLOR
#5CEFC3
≈ Onsen
Values · copy any
On white
Aa
1.44:1
Fails AA
On black
Aa
12.16:1
Passes AAA
Best text on this color
Aa#1C1916(12.16:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#5CEFC3
Protanopia#E9E0C1
Deuteranopia#D4D1C6
Tritanopia#00F1E2
Tints & shades
Color harmonies
Open in scheme generator →Palettes with this color
Colors that go with Onsen
Onsen sits in the teal family. Pair it with coral, warm sand or a soft blush to warm up its coolness, or lean into its harmonies below for a ready-made scheme.
Closest named, CSS & systems
Pantone & RAL matches are coming soon — those libraries aren't openly licensed for redistribution.
Onsen — meaning & where to use it
Onsen is a bright teal — it reads as cool, clean and modern. It's a natural fit for tech, healthcare and coastal, spa-like brands. To keep it balanced, pair it with coral, warm sand or a soft blush to warm up its coolness.
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This exact shade isn't a named or standard-set colour, so it isn't indexed — but every tool above works.