HueComb

Salametti

#e25e31

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

Hex

#e25e31

RGB

226, 94, 49

OKLCh

64.3% 0.175 38.5°

CIELAB (D50)

57.2, 50.8, 51.3

What is true of this colour, and of no other

  • 6 other named colours sit within ΔE00 2 of it.
  • It uses 84% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 62.5; on black, Lc -39.2. 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 35.4 and 38.0 and 41.7 — no red cone.

Text on this colour

White text

3.57:1 — large text only

Black text

5.88:1 — passes AA

Black text is the better of the two at5.88:1. That is enough for body text.

As text on white, it needs to change

#ce4c1b 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

#e25e31

protanopia

#777733 · ΔE00 35.4

deuteranopia

#959522 · ΔE00 38.0

tritanopia

#b0b000 · ΔE00 41.7

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isRed Cray at ΔE00 0.454: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

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