HueComb

Copper

#b87333

An orange that is muted. It is light — black text sits on it comfortably, white text does not.

Hex

#b87333

RGB

184, 115, 51

OKLCh

61.8% 0.117 60.4°

CIELAB (D50)

55.2, 24.0, 45.9

What is true of this colour, and of no other

  • 9 other named colours sit within ΔE00 2 of it.
  • It uses 81% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 65.2; on black, Lc -36.5. 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 22.2 and 23.0 and 25.5 — no red cone.

Text on this colour

White text

3.79:1 — large text only

Black text

5.54:1 — passes AA

Black text is the better of the two at5.54:1. That is enough for body text.

As text on white, it needs to change

#aa6725 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

#b87333

protanopia

#7d7d34 · ΔE00 22.2

deuteranopia

#8c8c2d · ΔE00 23.0

tritanopia

#9a9a00 · ΔE00 25.5

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isMeteor at ΔE00 0.802: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

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