Peppermint

#d7e7d0

A green 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

#d7e7d0

RGB

215, 231, 208

OKLCh

91.0% 0.035 136.0°

CIELAB (D50)

90.0, -8.6, 9.3

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 17% 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 14.6; on black, Lc -89.2. 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 6.6 and 6.8 and 23.0 — no red cone.

Text on this colour

White text

1.29:1 — fails AA

Black text

16.23:1 — passes AA

Black text is the better of the two at16.23:1. That is enough for body text.

As text on white, it needs to change

#6d7b66 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

#d7e7d0

protanopia

#e5e5d0 · ΔE00 6.6

deuteranopia

#e2e2d0 · ΔE00 6.8

tritanopia

#dfdffe · ΔE00 23.0

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isLight Lime Sherbet at ΔE00 0.845: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

Light Lime SherbetΔE00 0.845 · #d8e6ce
Lime FlipΔE00 1.01 · #d2e3cc
Infinitesimal GreenΔE00 1.299 · #d7e4cc
Touch of GreenΔE00 1.353 · #dbe9d5
Minty FrostingΔE00 1.382 · #dbe8cf
Little SproutΔE00 1.51 · #dae9d6
Chic GreenΔE00 1.524 · #d8ebd6
Light TactileΔE00 1.536 · #deedd4
Great JoyΔE00 1.576 · #d8e6cb
Light Spring BurstΔE00 1.628 · #d6e8d5
Sweet Mint TeaΔE00 1.664 · #d5e3d0
LacewingΔE00 1.831 · #d7e3ca

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