Tropical Rain

#447777

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

#447777

RGB

68, 119, 119

OKLCh

53.4% 0.055 195.6°

CIELAB (D50)

46.5, -17.9, -5.7

What is true of this colour, and of no other

  • 5 other named colours sit within ΔE00 2 of it.
  • It uses 60% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 74.8; on black, Lc -26.9. 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 17.8 and 19.5 and 26.8 — no red cone.

Text on this colour

White text

5.06:1 — passes AA

Black text

4.15:1 — large text only

White text is the better of the two at5.06:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#447777

protanopia

#737377 · ΔE00 17.8

deuteranopia

#6b6b78 · ΔE00 19.5

tritanopia

#6262c6 · ΔE00 26.8

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isMing at ΔE00 1.199: 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.