Melting Glacier

#e9f9f5

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

#e9f9f5

RGB

233, 249, 245

OKLCh

96.9% 0.018 179.3°

CIELAB (D50)

96.6, -6.0, 0.0

What is true of this colour, and of no other

  • 5 other named colours sit within ΔE00 2 of it.
  • It uses 41% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 0.0; on black, Lc -101.6. 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 7.1 and 7.7 and 11.3 — no red cone.

Text on this colour

White text

1.09:1 — fails AA

Black text

19.33:1 — passes AA

Black text is the better of the two at19.33:1. That is enough for body text.

As text on white, it needs to change

#6c7a76 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

#e9f9f5

protanopia

#f7f7f5 · ΔE00 7.1

deuteranopia

#f4f4f5 · ΔE00 7.7

tritanopia

#f1f1ff · ΔE00 11.3

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isPlacebo Turquoise at ΔE00 1.467: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

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