Turquoise Pearl

#89f5e3

A cyan that is muted. It is very light — it works as a page background, not as text.

Hex

#89f5e3

RGB

137, 245, 227

OKLCh

90.0% 0.104 181.9°

CIELAB (D50)

89.7, -35.9, -1.6

What is true of this colour, and of no other

  • No other named colour in the set is within ΔE00 2 of it — it stands alone.
  • It uses 67% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 14.4; on black, Lc -89.4. 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 22.6 and 25.1 and 30.0 — no red cone.

Text on this colour

White text

1.29:1 — fails AA

Black text

16.23:1 — passes AA

Black text is the better of the two at16.23:1. That is enough for body text.

As text on white, it needs to change

#008677 is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved, and some saturation was given up to stay inside sRGB.

Try it against your own background

The same colour, with one cone missing

As you see it

#89f5e3

protanopia

#ecece3 · ΔE00 22.6

deuteranopia

#dcdce5 · ΔE00 25.1

tritanopia

#c9c9ff · ΔE00 30.0

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isDefence Matrix at ΔE00 2.224: between 2 and 5 — clearly two colours when compared, easily mistaken from memory. What the numbers mean.

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