Dockside Red

#813533

A red that is muted. It is mid — the hardest range to put text on, either colour struggles.

Hex

#813533

RGB

129, 53, 51

OKLCh

43.3% 0.106 24.0°

CIELAB (D50)

33.2, 33.4, 18.5

What is true of this colour, and of no other

  • 4 other named colours sit within ΔE00 2 of it.
  • It uses 60% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 88.5; on black, Lc -13.7. 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 26.7 and 29.3 and 36.4 — no red cone.

Text on this colour

White text

8.43:1 — passes AA

Black text

2.49:1 — fails AA

White text is the better of the two at8.43:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#813533

protanopia

#434334 · ΔE00 26.7

deuteranopia

#545430 · ΔE00 29.3

tritanopia

#646400 · ΔE00 36.4

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isHeirloom Tomato at ΔE00 0.617: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

  • Heirloom TomatoΔE00 0.617 · #833633
  • Tall PoppyΔE00 0.872 · #853534
  • Tuskgor FurΔE00 1.568 · #883636
  • Planet of the ApesΔE00 1.595 · #883333
  • Old BrickΔE00 2.093 · #8a3335
  • Russet BrownΔE00 2.116 · #823d38
  • Fired BrickΔE00 2.12 · #793030
  • Auburn LightsΔE00 2.125 · #78342f
  • Kilauea LavaΔE00 2.152 · #843d38
  • Strong EnvyΔE00 2.451 · #782e2c
  • BookstoneΔE00 2.497 · #8c3432
  • Chocolate BarΔE00 2.512 · #773333

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