Royal Goblet

#d4ca8e

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

#d4ca8e

RGB

212, 202, 142

OKLCh

83.3% 0.079 99.8°

CIELAB (D50)

81.1, -3.0, 31.4

What is true of this colour, and of no other

4 other named colours sit within ΔE00 2 of it.
It uses 46% of the chroma sRGB can show at this lightness and hue.
As text on white it measures APCA Lc 29.1; on black, Lc -73.7. 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 10.8 — no blue cone.

Text on this colour

White text

1.66:1 — fails AA

Black text

12.64:1 — passes AA

Black text is the better of the two at12.64:1. That is enough for body text.

As text on white, it needs to change

#81773e 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

#d4ca8e

protanopia

#cbcb8e · ΔE00 3.2

deuteranopia

#cdcd8e · ΔE00 3.2

tritanopia

#cfcf49 · ΔE00 10.8

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isGolden Mist at ΔE00 0.746: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

Golden MistΔE00 0.746 · #d4c990
Dusty YellowΔE00 1.302 · #cfc88f
Green Apple MartiniΔE00 1.481 · #d2c785
Tyrant SkullΔE00 1.665 · #cdc586
Artichoke MistΔE00 2.073 · #d9ca93
Winter HazelΔE00 2.075 · #d0c383
That’s My LimeΔE00 2.197 · #dcd290
Asparagus YellowΔE00 2.304 · #dac98e
DeductionΔE00 2.379 · #d4cb83
Serene SceneΔE00 2.457 · #d2c880
Fiddlehead FernΔE00 2.581 · #c8c387
Bongo SkinΔE00 2.588 · #dece96

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