Solar Relic

#d2ab51

A yellow that is muted. It is light — black text sits on it comfortably, white text does not.

Hex

#d2ab51

RGB

210, 171, 81

OKLCh

75.9% 0.117 85.8°

CIELAB (D50)

72.3, 7.3, 50.8

What is true of this colour, and of no other

11 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 76% of the chroma sRGB can show at this lightness and hue.
As text on white it measures APCA Lc 42.5; on black, Lc -59.7. 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.
protanopia and deuteranopia and tritanopia shift it by ΔE00 11.6 and 11.8 and 14.0 — no red cone.

Text on this colour

White text

2.17:1 — fails AA

Black text

9.68:1 — passes AA

Black text is the better of the two at9.68:1. That is enough for body text.

As text on white, it needs to change

#967100 is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved, and some saturation was given up to stay inside sRGB.

Try it against your own background

The same colour, with one cone missing

As you see it

#d2ab51

protanopia

#b0b051 · ΔE00 11.6

deuteranopia

#b8b84e · ΔE00 11.8

tritanopia

#c0c000 · 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 isGolden Cricket at ΔE00 1.359: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

Golden CricketΔE00 1.359 · #d7b056
Golden AvocadoΔE00 1.437 · #cda64a
Golden BlondΔE00 1.536 · #ccaa55
Yellow LupineΔE00 1.727 · #ccaa4d
Glorious GoldΔE00 1.75 · #cba956
Brassed OffΔE00 1.766 · #cfa743
Golden Age GiltΔE00 1.768 · #cea644
Sell GoldΔE00 1.793 · #d4ae5e
GrandioseΔE00 1.923 · #caa84c
Autumn Apple YellowΔE00 1.93 · #cda449
Royal Gold PearlΔE00 1.981 · #d0a54e
Hay WainΔE00 2.015 · #cdad59

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