Wild Life

#a5c1c0

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

#a5c1c0

RGB

165, 193, 192

OKLCh

79.0% 0.030 193.9°

CIELAB (D50)

75.9, -10.0, -2.8

What is true of this colour, and of no other

11 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 22% 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 36.5; on black, Lc -66.0. 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.
protanopia and deuteranopia and tritanopia shift it by ΔE00 11.6 and 12.6 and 22.6 — no red cone.

Text on this colour

White text

1.91:1 — fails AA

Black text

10.99:1 — passes AA

Black text is the better of the two at10.99:1. That is enough for body text.

As text on white, it needs to change

#617c7b 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

#a5c1c0

protanopia

#bebec0 · ΔE00 11.6

deuteranopia

#b9b9c1 · ΔE00 12.6

tritanopia

#b4b4ff · ΔE00 22.6

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isSwan Sea at ΔE00 0.516: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

Swan SeaΔE00 0.516 · #a6c1bf
Aspiring BlueΔE00 0.907 · #a2c1c0
Blende BlueΔE00 1.041 · #a9c4c4
FalklandΔE00 1.126 · #a5bebd
Frosty GladeΔE00 1.277 · #a0c0bf
Glacier BlueΔE00 1.286 · #a9c1c0
Ocean KissΔE00 1.539 · #a4c3c5
Seafoam WhisperΔE00 1.694 · #a1bdbf
Festoon AquaΔE00 1.836 · #a0bbb8
Chance of ShowersΔE00 1.921 · #a5bcba
Warm BreezesΔE00 1.943 · #a1bec1
Oslo BlueΔE00 2.098 · #a6bdbe

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