Honied White

#fcefd1

A yellow that is nearly neutral — the hue shows only against a true grey. It is very light — it works as a page background, not as text.

Hex

#fcefd1

RGB

252, 239, 209

OKLCh

95.5% 0.042 87.4°

CIELAB (D50)

94.9, 1.0, 16.2

What is true of this colour, and of no other

63 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 80% of the chroma sRGB can show at this lightness and hue.
As text on white it measures APCA Lc 0.0; on black, Lc -98.0. 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 5.9 and 6.1 and 14.0 — no red cone.

Text on this colour

White text

1.14:1 — fails AA

Black text

18.41:1 — passes AA

Black text is the better of the two at18.41:1. That is enough for body text.

As text on white, it needs to change

#81765b 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

#fcefd1

protanopia

#f1f1d1 · ΔE00 5.9

deuteranopia

#f3f3d1 · ΔE00 6.1

tritanopia

#f6f696 · ΔE00 14.0

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isCustard Cream at ΔE00 0.622: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

Custard CreamΔE00 0.622 · #fbefd0
Bonnie CreamΔE00 0.633 · #fdefd2
Opal CreamΔE00 0.675 · #fceece
Amarillo BebitoΔE00 0.789 · #fff1d4
Queenly LaughΔE00 0.881 · #f9ecd0
HazelwoodΔE00 0.905 · #fff3d5
VardenΔE00 0.91 · #fdefd3
Pappardelle NoodleΔE00 0.936 · #f9ebcc
Yellow BeamΔE00 0.941 · #f9eed0
Cashmere SweaterΔE00 1.026 · #fef2d2
Candlestick PointΔE00 1.032 · #fff1d5
Lightning WhiteΔE00 1.043 · #f8edd1

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