Enchanting Ivy

#315955

A cyan that is nearly neutral — the hue shows only against a true grey. It is mid — the hardest range to put text on, either colour struggles.

Hex

#315955

RGB

49, 89, 85

OKLCh

43.3% 0.046 187.4°

CIELAB (D50)

34.8, -15.6, -2.3

What is true of this colour, and of no other

  • 4 other named colours sit within ΔE00 2 of it.
  • It uses 61% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 87.0; on black, Lc -15.1. 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 15.3 and 16.8 and 26.6 — no red cone.

Text on this colour

White text

7.80:1 — passes AA

Black text

2.69:1 — fails AA

White text is the better of the two at7.80:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#315955

protanopia

#565655 · ΔE00 15.3

deuteranopia

#505056 · ΔE00 16.8

tritanopia

#494995 · ΔE00 26.6

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isCrystal Ball at ΔE00 1.205: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. 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.