Cuttlefish

#7fbbc2

A cyan that is nearly neutral — the hue shows only against a true grey. It is light — black text sits on it comfortably, white text does not.

Hex

#7fbbc2

RGB

127, 187, 194

OKLCh

75.4% 0.063 205.1°

CIELAB (D50)

72.0, -18.8, -10.1

What is true of this colour, and of no other

  • 8 other named colours sit within ΔE00 2 of it.
  • It uses 49% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 42.0; on black, Lc -60.2. 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 19.7 and 21.1 and 23.6 — no red cone.

Text on this colour

White text

2.15:1 — fails AA

Black text

9.79:1 — passes AA

Black text is the better of the two at9.79:1. That is enough for body text.

As text on white, it needs to change

#458086 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

#7fbbc2

protanopia

#b6b6c2 · ΔE00 19.7

deuteranopia

#acacc3 · ΔE00 21.1

tritanopia

#a1a1ff · ΔE00 23.6

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isWarm Waters at ΔE00 0.181: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

  • Warm WatersΔE00 0.181 · #7ebbc2
  • Coastal FringeΔE00 0.689 · #80b9c0
  • Misty Cold SeaΔE00 0.75 · #83bbc1
  • WaterwayΔE00 1.227 · #7eb7bf
  • Aqua VitaleΔE00 1.348 · #7bbdc7
  • Aqua BlueΔE00 1.536 · #79b6bc
  • Lifeboat BlueΔE00 1.676 · #81b6bc
  • Tibetan StoneΔE00 1.935 · #74b7c1
  • Pure TurquoiseΔE00 2.014 · #7abec2
  • Culinary BlueΔE00 2.07 · #7bb6c1
  • Tropez BlueΔE00 2.19 · #73b7c2
  • Azure LakeΔE00 2.191 · #7bbbc8

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