Everlasting Ice

#f6fdfa

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

#f6fdfa

RGB

246, 253, 250

OKLCh

98.8% 0.008 168.8°

CIELAB (D50)

98.7, -2.8, 0.6

What is true of this colour, and of no other

  • 5 other named colours sit within ΔE00 2 of it.
  • It uses 50% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 0.0; on black, Lc -105.4. 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 5.7 — no blue cone.

Text on this colour

White text

1.03:1 — fails AA

Black text

20.35:1 — passes AA

Black text is the better of the two at20.35:1. That is enough for body text.

As text on white, it needs to change

#727876 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

#f6fdfa

protanopia

#fcfcfa · ΔE00 3.4

deuteranopia

#fbfbfa · ΔE00 3.7

tritanopia

#fafaff · ΔE00 5.7

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isSparkling Snow at ΔE00 1.24: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. 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.