Brunette

#664238

A red that is nearly neutral — the hue shows only against a true grey. It is mid — the hardest range to put text on, either colour struggles.

Hex

#664238

RGB

102, 66, 56

OKLCh

41.8% 0.053 36.2°

CIELAB (D50)

32.0, 15.1, 12.8

What is true of this colour, and of no other

  • 8 other named colours sit within ΔE00 2 of it.
  • It uses only 37% 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 89.8; on black, Lc -12.4. 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 19.2 and 20.6 and 25.4 — no red cone.

Text on this colour

White text

8.75:1 — passes AA

Black text

2.40:1 — fails AA

White text is the better of the two at8.75:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#664238

protanopia

#474738 · ΔE00 19.2

deuteranopia

#4f4f37 · ΔE00 20.6

tritanopia

#565600 · ΔE00 25.4

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isChocolate Lab at ΔE00 1.012: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

  • Chocolate LabΔE00 1.012 · #66433b
  • Autumn FallΔE00 1.465 · #67423b
  • Rugged BrownΔE00 1.487 · #694336
  • Roasted CoffeeΔE00 1.575 · #684134
  • Deep CherrywoodΔE00 1.69 · #6b473d
  • Sekkasshoku BrownΔE00 1.736 · #683f36
  • Rocky RoadΔE00 1.845 · #64453c
  • American Milking DevonΔE00 1.981 · #63403a
  • Painted BarkΔE00 2.041 · #5f3d32
  • Deeply DeannaΔE00 2.449 · #6d4940
  • Classic BrownΔE00 2.545 · #6a493d
  • Western BrownΔE00 2.563 · #5d3b31

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