Mystery Mint

#bbefd3

A green that is nearly neutral — the hue shows only against a true grey. It is very light — it works as a page background, not as text.

Hex

#bbefd3

RGB

187, 239, 211

OKLCh

90.8% 0.066 161.2°

CIELAB (D50)

90.3, -21.4, 7.9

What is true of this colour, and of no other

  • 2 other named colours sit within ΔE00 2 of it.
  • It uses 45% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 13.9; on black, Lc -90.0. 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 15.6 and 16.4 and 27.9 — no red cone.

Text on this colour

White text

1.28:1 — fails AA

Black text

16.40:1 — passes AA

Black text is the better of the two at16.40:1. That is enough for body text.

As text on white, it needs to change

#508168 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

#bbefd3

protanopia

#eaead3 · ΔE00 15.6

deuteranopia

#e1e1d4 · ΔE00 16.4

tritanopia

#d7d7ff · ΔE00 27.9

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isSpatial Spirit at ΔE00 1.715: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

  • Spatial SpiritΔE00 1.715 · #c1edd3
  • Faint CloverΔE00 1.768 · #b2eed3
  • Mint-o-liciousΔE00 2.113 · #b6e9c8
  • Seafoam SplashesΔE00 2.272 · #b0efce
  • Coastal FoamΔE00 2.292 · #b0e5c9
  • Martian HazeΔE00 2.299 · #adeace
  • Lost LaceΔE00 2.422 · #c2ebd1
  • Woolly MintΔE00 2.608 · #bde7cf
  • Seafair GreenΔE00 2.645 · #b8f8d8
  • Canton JadeΔE00 2.685 · #bae7c7
  • Beach BlanketΔE00 2.752 · #b2e4cd
  • MaypoleΔE00 2.956 · #bee8d3

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