Terminal Black

#2b322d

A neutral that has no useful hue — it reads as a grey. It is dark — it carries white text and needs care with black.

Hex

#2b322d

RGB

43, 50, 45

OKLCh

30.9% 0.013 154.5°

CIELAB (D50)

20.0, -4.0, 2.1

What is true of this colour, and of no other

  • 2 other named colours sit within ΔE00 2 of it.
  • It uses only 17% 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 99.5; on black, Lc 0.0. 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.
  • tritanopia shifts it by ΔE00 13.5 — no blue cone.

Text on this colour

White text

13.15:1 — passes AA

Black text

1.60:1 — fails AA

White text is the better of the two at13.15:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#2b322d

protanopia

#31312d · ΔE00 4.4

deuteranopia

#30302d · ΔE00 4.6

tritanopia

#2f2f3f · ΔE00 13.5

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isMelanite Black Green at ΔE00 1.789: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

  • Melanite Black GreenΔE00 1.789 · #282e27
  • WoodsmokeΔE00 1.828 · #2b3230
  • Jet SetΔE00 2.04 · #2f3734
  • Midnight MossΔE00 2.312 · #242e28
  • Pitch GreenΔE00 2.318 · #283330
  • Gordons GreenΔE00 2.324 · #29332b
  • AztecΔE00 2.667 · #293432
  • Aimiru BrownΔE00 2.771 · #2e372e
  • Tetsu BlackΔE00 2.852 · #2b3733
  • ArdósiaΔE00 3.027 · #232f2c
  • MarshlandΔE00 3.051 · #2b2e26
  • Concealed GreenΔE00 3.095 · #263130

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