HueComb

Clair de Lune

#dbe9df

A neutral that has no useful hue — it reads as a grey. It is very light — it works as a page background, not as text.

Hex

#dbe9df

RGB

219, 233, 223

OKLCh

92.1% 0.020 154.9°

CIELAB (D50)

91.1, -6.2, 3.2

What is true of this colour, and of no other

  • 47 other named colours sit within ΔE00 2 of it — this part of the space is crowded, and the names here are finer distinctions than most people make.
  • It uses only 15% of the chroma available at this lightness and hue — there is a far more vivid version of this colour inside sRGB.
  • As text on white it measures APCA Lc 12.7; on black, Lc -91.3. The sign is the polarity, which the WCAG ratio discards.
  • Built into an eleven-step scale, 10 of the 10 adjacent pairs stay ΔE00 2 apart — see the ramp.
  • protanopia and deuteranopia and tritanopia shift it by ΔE00 6.3 and 6.6 and 17.6 — no red cone.

Text on this colour

White text

1.25:1 — fails AA

Black text

16.73:1 — passes AA

Black text is the better of the two at16.73:1. That is enough for body text.

As text on white, it needs to change

#6d7a71 is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved.

Try it against your own background

The same colour, with one cone missing

As you see it

#dbe9df

protanopia

#e7e7df · ΔE00 6.3

deuteranopia

#e5e5df · ΔE00 6.6

tritanopia

#e2e2ff · ΔE00 17.6

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isDiluted Green at ΔE00 0.478: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

  • Diluted GreenΔE00 0.478 · #ddeae0
  • Spearmint ScentΔE00 0.588 · #dbe8df
  • Pastel SmirkΔE00 0.752 · #deece1
  • Pine FrostΔE00 0.858 · #deeae0
  • SnowboundΔE00 0.964 · #ddebe3
  • Wishy-Washy LichenΔE00 1.011 · #deede4
  • Swans DownΔE00 1.04 · #dae6dd
  • Cryo FreezeΔE00 1.048 · #ddece0
  • Country MistΔE00 1.054 · #dfebe2
  • Green EmulsionΔE00 1.157 · #daeae2
  • WatermarkΔE00 1.214 · #dee9df
  • Cactus BlossomΔE00 1.216 · #d8e5dd

10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.