Mule

#827b77

A neutral that has no useful hue — it reads as a grey. It is mid — the hardest range to put text on, either colour struggles.

Hex

#827b77

RGB

130, 123, 119

OKLCh

58.8% 0.011 52.0°

CIELAB (D50)

52.2, 2.2, 3.2

What is true of this colour, and of no other

  • 8 other named colours sit within ΔE00 2 of it.
  • It uses only 7% 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 68.7; on black, Lc -33.0. 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.
  • tritanopia shifts it by ΔE00 13.3 — no blue cone.

Text on this colour

White text

4.16:1 — large text only

Black text

5.05:1 — passes AA

Black text is the better of the two at5.05:1. That is enough for body text.

As text on white, it needs to change

#7c7571 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

#827b77

protanopia

#7c7c77 · ΔE00 4.2

deuteranopia

#7d7d77 · ΔE00 4.5

tritanopia

#7f7f5d · ΔE00 13.3

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isGrey Suit at ΔE00 0.817: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

  • Grey SuitΔE00 0.817 · #807a77
  • Cool CharcoalΔE00 1.355 · #807b76
  • Amazon StoneΔE00 1.548 · #7e7873
  • GothamΔE00 1.572 · #807872
  • Suede GreyΔE00 1.664 · #857f7a
  • Chain LinkΔE00 1.673 · #847e78
  • Susu GreenΔE00 1.98 · #887f7a
  • CapsΔE00 1.995 · #7e7a75
  • Steeple GreyΔE00 2.014 · #827e7c
  • Complex GreyΔE00 2.096 · #847975
  • TadpoleΔE00 2.166 · #7d7771
  • Eastlake LavenderΔE00 2.322 · #887d79

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