COLOR
#ADAEC2
≈ Nebulous December
Values · copy any
On white
Aa
2.19:1
Fails AA
On black
Aa
8.01:1
Passes AAA
Best text on this color
Aa#1C1916(8.01:1)
Adjust & explore
drag the picker or wheel — values & harmonies update livePicker · drag to explore
Harmonies · live
Colour-blindness preview
Normal vision#ADAEC2
Protanopia#A9B0C3
Deuteranopia#A9AFC1
Tritanopia#A9B1B4
Tints & shades
Color harmonies
Open in scheme generator →Palettes with this color
Colors that go with Nebulous December
Nebulous December sits in the blue family. Pair it with warm accents — amber, coral or gold — to stop it feeling cold, or lean into its harmonies below for a ready-made scheme.
Closest named, CSS & systems
Colour nameNebulous December#B3B2BFΔE 3.0CSS nameLightsteelblue#B0C4DEΔE 9.2Web-safe#9999CC#9999CCΔE 10.8
Pantone & RAL matches are coming soon — those libraries aren't openly licensed for redistribution.
Nebulous December — meaning & where to use it
Nebulous December is a bright blue — it reads as trustworthy, stable and professional. It's a natural fit for corporate, tech and financial brands, and dependable UI chrome. To keep it balanced, pair it with warm accents — amber, coral or gold — to stop it feeling cold.
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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.