Volcanic Ash
#6f7678
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
#6f7678
RGB
111, 118, 120
OKLCh
56.0% 0.009 216.7°
CIELAB (D50)
49.1, -2.4, -2.1
What is true of this colour, and of no other
- 5 other named colours sit within ΔE00 2 of it.
- It uses only 9% 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 72.2; on black, Lc -29.5. 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 11.2 — no blue cone.
Text on this colour
White text
4.63:1 — passes AA
Black text
4.54:1 — passes AA
White text is the better of the two at4.63:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#6f7678
protanopia
#757578 · ΔE00 4.0
deuteranopia
#747478 · ΔE00 4.3
tritanopia
#73738a · ΔE00 11.2
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBattleship Grey at ΔE00 1.2: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Battleship GreyΔE00 1.2 · #6f7476
- RhinocerosΔE00 1.579 · #727a7c
- ImprobableΔE00 1.617 · #6e7376
- Rhythm & BluesΔE00 1.836 · #70767b
- Pike LakeΔE00 1.903 · #6c7779
- Rich PewterΔE00 2.03 · #6b7172
- PhantomΔE00 2.078 · #6e797b
- Iron FrostΔE00 2.132 · #6f797e
- PhilosophicalΔE00 2.134 · #757b7d
- Sandpiper CoveΔE00 2.255 · #717474
- Gotham CityΔE00 2.421 · #757c7d
- RiverstoneΔE00 2.459 · #757878
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.