Little Mermaid

#2d454a

A cyan that is nearly neutral — the hue shows only against a true grey. It is dark — it carries white text and needs care with black.

Hex

#2d454a

RGB

45, 69, 74

OKLCh

37.3% 0.031 212.1°

CIELAB (D50)

27.5, -8.5, -6.2

What is true of this colour, and of no other

  • 4 other named colours sit within ΔE00 2 of it.
  • It uses 47% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 93.6; on black, Lc -8.9. 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 11.6 and 12.6 and 19.0 — no red cone.

Text on this colour

White text

10.19:1 — passes AA

Black text

2.06:1 — fails AA

White text is the better of the two at10.19:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#2d454a

protanopia

#43434a · ΔE00 11.6

deuteranopia

#3f3f4a · ΔE00 12.6

tritanopia

#3b3b72 · ΔE00 19.0

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isDad’s Coupe at ΔE00 1.087: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

  • Dad’s CoupeΔE00 1.087 · #2f484e
  • Pallasite BlueΔE00 1.734 · #314a4e
  • Japanese IndigoΔE00 1.758 · #264348
  • Mysterious WatersΔE00 1.821 · #27454a
  • Graphite Black GreenΔE00 2.065 · #32494b
  • Ai IndigoΔE00 2.244 · #274447
  • Deep River GreenΔE00 2.357 · #2d4243
  • Everglade DeckΔE00 2.392 · #25464d
  • Ponderosa PineΔE00 2.522 · #29494e
  • Liquorice GreenΔE00 2.688 · #2a4041
  • Winter BalsamΔE00 2.766 · #314747
  • Bay Isle PointeΔE00 2.781 · #214048

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