Salmon Sashimi

#ff7e79

A red that is saturated. It is light — black text sits on it comfortably, white text does not.

Hex

#ff7e79

RGB

255, 126, 121

OKLCh

74.0% 0.158 23.9°

CIELAB (D50)

68.3, 49.8, 27.0

What is true of this colour, and of no other

6 other named colours sit within ΔE00 2 of it.
It sits exactly on the sRGB boundary: at this lightness and hue the gamut has nothing left, and a wider display would show a more colourful version of it.
As text on white it measures APCA Lc 48.0; on black, Lc -54.0. 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 32.1 and 37.9 and 49.4 — no red cone.

Text on this colour

White text

2.47:1 — fails AA

Black text

8.51:1 — passes AA

Black text is the better of the two at8.51:1. That is enough for body text.

As text on white, it needs to change

#c94e4c 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

#ff7e79

protanopia

#94947a · ΔE00 32.1

deuteranopia

#b1b174 · ΔE00 37.9

tritanopia

#cbcb00 · ΔE00 49.4

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isOrange Tea Rose at ΔE00 1.568: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

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