Spill the Beans

#9b351b

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

Hex

#9b351b

RGB

155, 53, 27

OKLCh

47.3% 0.141 35.1°

CIELAB (D50)

37.7, 42.3, 39.0

What is true of this colour, and of no other

  • 2 other named colours sit within ΔE00 2 of it.
  • It uses 85% of the chroma sRGB can show at this lightness and hue — close enough to the boundary that a wider display would show it slightly more vividly.
  • As text on white it measures APCA Lc 84.1; on black, Lc -17.9. 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.
  • protanopia and deuteranopia and tritanopia shift it by ΔE00 30.7 and 33.6 and 36.9 — no red cone.

Text on this colour

White text

7.19:1 — passes AA

Black text

2.92:1 — fails AA

White text is the better of the two at7.19:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#9b351b

protanopia

#4a4a1d · ΔE00 30.7

deuteranopia

#62620e · ΔE00 33.6

tritanopia

#767600 · ΔE00 36.9

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isDragon Dance at ΔE00 0.609: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

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