HueComb

Cotton Boll

#e7effb

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

#e7effb

RGB

231, 239, 251

OKLCh

95.0% 0.018 258.4°

CIELAB (D50)

94.1, -1.1, -6.8

What is true of this colour, and of no other

  • 5 other named colours sit within ΔE00 2 of it.
  • It uses 76% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 7.4; on black, Lc -96.9. 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.
  • tritanopia shifts it by ΔE00 5.5 — no blue cone.

Text on this colour

White text

1.16:1 — fails AA

Black text

18.14:1 — passes AA

Black text is the better of the two at18.14:1. That is enough for body text.

As text on white, it needs to change

#707782 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

#e7effb

protanopia

#eeeefb · ΔE00 4.0

deuteranopia

#ededfb · ΔE00 4.3

tritanopia

#ebebff · ΔE00 5.5

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isFirst Snow at ΔE00 1.251: 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.