Vanilla

#f3e5ab

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

#f3e5ab

RGB

243, 229, 171

OKLCh

91.9% 0.076 96.2°

CIELAB (D50)

91.0, -1.4, 30.2

What is true of this colour, and of no other

  • 30 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 56% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 13.1; on black, Lc -90.8. 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 14.0 — no blue cone.

Text on this colour

White text

1.26:1 — fails AA

Black text

16.61:1 — passes AA

Black text is the better of the two at16.61:1. That is enough for body text.

As text on white, it needs to change

#847740 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

#f3e5ab

protanopia

#e7e7ab · ΔE00 4.5

deuteranopia

#e9e9ab · ΔE00 4.5

tritanopia

#ecec4a · 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 isMedium Champagne at ΔE00 0.217: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

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