Haunted Purple

#991177

A magenta that is saturated. It is mid — the hardest range to put text on, either colour struggles.

Hex

#991177

RGB

153, 17, 119

OKLCh

46.5% 0.190 341.6°

CIELAB (D50)

35.2, 58.2, -21.5

What is true of this colour, and of no other

  • One other named colour sits within ΔE00 2 of it.
  • It uses 95% of the chroma sRGB can show at this lightness and hue — close enough to the boundary that a wider display would show it slightly more vividly.
  • As text on white it measures APCA Lc 85.2; on black, Lc -16.8. 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 25.6 and 24.3 and 61.6 — no red cone.

Text on this colour

White text

7.77:1 — passes AA

Black text

2.70:1 — fails AA

White text is the better of the two at7.77:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#991177

protanopia

#393977 · ΔE00 25.6

deuteranopia

#585875 · ΔE00 24.3

tritanopia

#6f6f00 · ΔE00 61.6

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isPersian Luxury Purple at ΔE00 0.957: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

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