HueComb

Cold White

#edfcfb

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

#edfcfb

RGB

237, 252, 251

OKLCh

98.0% 0.016 192.1°

CIELAB (D50)

97.8, -5.2, -1.3

What is true of this colour, and of no other

  • 6 other named colours sit within ΔE00 2 of it.
  • It uses 55% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 0.0; on black, Lc -103.8. 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 6.8 and 7.4 and 9.1 — no red cone.

Text on this colour

White text

1.05:1 — fails AA

Black text

19.92:1 — passes AA

Black text is the better of the two at19.92:1. That is enough for body text.

As text on white, it needs to change

#6c7979 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

#edfcfb

protanopia

#fafafb · ΔE00 6.8

deuteranopia

#f8f8fb · ΔE00 7.4

tritanopia

#f5f5ff · ΔE00 9.1

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isVapour at ΔE00 0.773: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

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