Minty Fresh

#d2f2e7

A cyan that is nearly neutral — the hue shows only against a true grey. It is very light — it works as a page background, not as text.

Hex

#d2f2e7

RGB

210, 242, 231

OKLCh

93.5% 0.036 172.8°

CIELAB (D50)

92.9, -12.4, 1.6

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 38% 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 9.4; on black, Lc -94.8. 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 12.1 and 12.8 and 20.3 — no red cone.

Text on this colour

White text

1.19:1 — fails AA

Black text

17.60:1 — passes AA

Black text is the better of the two at17.60:1. That is enough for body text.

As text on white, it needs to change

#607d73 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

#d2f2e7

protanopia

#efefe7 · ΔE00 12.1

deuteranopia

#e9e9e8 · ΔE00 12.8

tritanopia

#e3e3ff · ΔE00 20.3

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isHummingbird at ΔE00 0.749: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

HummingbirdΔE00 0.749 · #ceefe4
Jewel WhiteΔE00 1.193 · #cfeee1
Shimmering PoolΔE00 1.234 · #d2efe6
WaterslideΔE00 1.247 · #d2f3eb
Light ShutterbugΔE00 1.533 · #cef2e4
Ice Water GreenΔE00 1.55 · #cdebe1
Ineffable Ice CapΔE00 1.668 · #caede4
Slippery TubΔE00 1.72 · #d5f3ec
Whisper of GrassΔE00 1.738 · #cbede5
Light SalomeΔE00 1.774 · #ccf1e3
CaribbeanΔE00 1.777 · #caf0e5
Teal MelodyΔE00 1.901 · #c8ede2

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