Swamp Sessions

#93977f

A yellow that is nearly neutral — the hue shows only against a true grey. It is light — black text sits on it comfortably, white text does not.

Hex

#93977f

RGB

147, 151, 127

OKLCh

66.6% 0.035 115.0°

CIELAB (D50)

61.6, -4.8, 12.2

What is true of this colour, and of no other

  • 7 other named colours sit within ΔE00 2 of it.
  • It uses only 23% 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 56.8; on black, Lc -44.9. 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 6.7 — no blue cone.

Text on this colour

White text

3.01:1 — large text only

Black text

6.97:1 — passes AA

Black text is the better of the two at6.97:1. That is enough for body text.

As text on white, it needs to change

#757962 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

#93977f

protanopia

#97977f · ΔE00 1.9

deuteranopia

#96967f · ΔE00 2.0

tritanopia

#95958d · ΔE00 6.7

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isMilkweed Pod at ΔE00 0.908: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

  • Milkweed PodΔE00 0.908 · #95987e
  • Gundaroo GreenΔE00 1.295 · #959984
  • Cavern MossΔE00 1.331 · #92987d
  • Green OnyxΔE00 1.466 · #989a82
  • Canyon FallsΔE00 1.564 · #97987f
  • Leek GreenΔE00 1.611 · #979c84
  • RestorationΔE00 1.773 · #939581
  • Blanched ThymeΔE00 2.046 · #949579
  • Elemental GreenΔE00 2.076 · #969783
  • Acanthus LeafΔE00 2.102 · #90977a
  • Veranda GreenΔE00 2.266 · #8e977e
  • Farmer’s MarketΔE00 2.28 · #8f917c

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