Ketchup

#9a382d

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

Hex

#9a382d

RGB

154, 56, 45

OKLCh

47.8% 0.134 29.3°

CIELAB (D50)

38.2, 41.2, 29.4

What is true of this colour, and of no other

  • 3 other named colours sit within ΔE00 2 of it.
  • It uses 68% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 83.6; on black, Lc -18.3. 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 29.7 and 33.3 and 38.9 — no red cone.

Text on this colour

White text

7.05:1 — passes AA

Black text

2.98:1 — fails AA

White text is the better of the two at7.05:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#9a382d

protanopia

#4c4c2e · ΔE00 29.7

deuteranopia

#626227 · ΔE00 33.3

tritanopia

#757500 · ΔE00 38.9

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBrown Labrador at ΔE00 0.659: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

  • Brown LabradorΔE00 0.659 · #97382c
  • Red ChilliΔE00 1.148 · #95372d
  • Barrel SpongeΔE00 1.29 · #9e3c31
  • ThunderbirdΔE00 2.123 · #923830
  • Rave RedΔE00 2.145 · #a13b34
  • Red KiteΔE00 2.33 · #913228
  • EdochaΔE00 2.332 · #a13d2d
  • Bengara RedΔE00 2.518 · #913225
  • Carmen MirandaΔE00 2.557 · #903e2f
  • Chocolate LustΔE00 2.568 · #993322
  • Gatsby BrickΔE00 2.597 · #8e3b2f
  • Red BirchΔE00 2.632 · #9d2b22

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