Frosted Fir

#b4d5bd

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

#b4d5bd

RGB

180, 213, 189

OKLCh

84.2% 0.048 153.7°

CIELAB (D50)

82.3, -14.8, 8.1

What is true of this colour, and of no other

  • 9 other named colours sit within ΔE00 2 of it.
  • It uses only 23% of the chroma available at this lightness and hue — there is a far more vivid version of this colour inside sRGB.
  • As text on white it measures APCA Lc 26.8; on black, Lc -76.2. 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 11.9 and 12.4 and 29.4 — no red cone.

Text on this colour

White text

1.59:1 — fails AA

Black text

13.19:1 — passes AA

Black text is the better of the two at13.19:1. That is enough for body text.

As text on white, it needs to change

#5f7e68 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

#b4d5bd

protanopia

#d2d2bd · ΔE00 11.9

deuteranopia

#ccccbe · ΔE00 12.4

tritanopia

#c6c6ff · ΔE00 29.4

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isReclining Green at ΔE00 0.604: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

  • Reclining GreenΔE00 0.604 · #b7d7bf
  • GinninderraΔE00 1.094 · #b3d5c0
  • Cool SpringΔE00 1.525 · #bbd9c3
  • SurfΔE00 1.535 · #b8d4bb
  • Enchanted MeadowΔE00 1.644 · #b1d4b7
  • Sprite TwistΔE00 1.651 · #b9dcc3
  • Ice MistΔE00 1.881 · #b6dbbf
  • Chlorophyll CreamΔE00 1.895 · #b3d6c3
  • Misty JadeΔE00 1.93 · #acd0bb
  • NamasteΔE00 2.031 · #bdd8c0
  • Pastel Mint GreenΔE00 2.14 · #add0b3
  • PitcherΔE00 2.142 · #b5d1be

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