Mountain Peak

#e9e0d4

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

#e9e0d4

RGB

233, 224, 212

OKLCh

91.0% 0.019 75.3°

CIELAB (D50)

89.7, 1.7, 7.0

What is true of this colour, and of no other

102 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 25% 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 15.2; on black, Lc -88.6. 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.
tritanopia shifts it by ΔE00 12.9 — no blue cone.

Text on this colour

White text

1.31:1 — fails AA

Black text

16.08:1 — passes AA

Black text is the better of the two at16.08:1. That is enough for body text.

As text on white, it needs to change

#7e766b 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

#e9e0d4

protanopia

#e1e1d4 · ΔE00 4.7

deuteranopia

#e3e3d4 · ΔE00 5.0

tritanopia

#e4e4b3 · ΔE00 12.9

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isMoroccan Moonlight at ΔE00 0.489: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

Moroccan MoonlightΔE00 0.489 · #eae0d4
Sharp-Rip DrillΔE00 0.501 · #eae1d6
Aquarelle BeigeΔE00 0.549 · #e8e0d5
Physalis AquarelleΔE00 0.591 · #ebe1d4
Designer WhiteΔE00 0.634 · #e7ded1
Sand DaggerΔE00 0.787 · #e6ddd2
String of PearlsΔE00 0.838 · #ebe3d8
Reliable WhiteΔE00 0.847 · #e8ded3
Pale CashmereΔE00 0.908 · #e8dfd5
South PeakΔE00 0.933 · #eadfd2
Onion PowderΔE00 0.95 · #ece2d4
Dagger MothΔE00 1.005 · #e8e1d5

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