Tuna

#46494e

A neutral that has no useful hue — it reads as a grey. It is mid — the hardest range to put text on, either colour struggles.

Hex

#46494e

RGB

70, 73, 78

OKLCh

40.4% 0.009 260.7°

CIELAB (D50)

30.9, -0.4, -3.4

What is true of this colour, and of no other

  • 15 other named colours sit within ΔE00 2 of it — this part of the space is crowded, and the names here are finer distinctions than most people make.
  • It uses only 5% 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 90.8; on black, Lc -11.5. 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.
  • tritanopia shifts it by ΔE00 5.5 — no blue cone.

Text on this colour

White text

9.04:1 — passes AA

Black text

2.32:1 — fails AA

White text is the better of the two at9.04:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#46494e

protanopia

#49494e · ΔE00 1.9

deuteranopia

#48484e · ΔE00 2.1

tritanopia

#484856 · ΔE00 5.5

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBlack Bay at ΔE00 0.673: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

  • Black BayΔE00 0.673 · #474a4e
  • CyberspaceΔE00 0.716 · #44484d
  • Salem BlackΔE00 0.936 · #45494d
  • Steel GreyΔE00 1.01 · #43464b
  • Black RibbonΔE00 1.109 · #484c51
  • Indigo InkΔE00 1.228 · #474a4d
  • Night ClubΔE00 1.397 · #494b4e
  • Winter CoatΔE00 1.452 · #45494c
  • Midnight MagicΔE00 1.597 · #46474a
  • WitchcraftΔE00 1.655 · #474c50
  • StargazingΔE00 1.711 · #414549
  • Poppy SeedΔE00 1.782 · #4a4e54

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