COLOR
#0A3740
≈ Royal Neptune
Values · copy any
On white
Aa
12.86:1
Passes AAA
On black
Aa
1.36:1
Fails AA
Best text on this color
Aa#FFFFFF(12.86:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#0A3740
Protanopia#313541
Deuteranopia#292F40
Tritanopia#003A3A
Tints & shades
Color harmonies
Open in scheme generator →Colors that go with Royal Neptune
Royal Neptune 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.
Royal Neptune — meaning & where to use it
Royal Neptune is a deep, shadowy 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.