Emerald Forest
#224347
A cyan that is nearly neutral — the hue shows only against a true grey. It is dark — it carries white text and needs care with black.
Hex
#224347
RGB
34, 67, 71
OKLCh
35.9% 0.039 205.7°
CIELAB (D50)
26.0, -11.7, -6.4
What is true of this colour, and of no other
- 5 other named colours sit within ΔE00 2 of it.
- It uses 64% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 94.7; on black, Lc -7.9. 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 14.2 and 15.4 and 21.1 — no red cone.
Text on this colour
White text
10.70:1 — passes AA
Black text
1.96:1 — fails AA
White text is the better of the two at10.70:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#224347
protanopia
#404047 · ΔE00 14.2
deuteranopia
#3b3b48 · ΔE00 15.4
tritanopia
#363677 · ΔE00 21.1
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isAi Indigo at ΔE00 1.112: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Ai IndigoΔE00 1.112 · #274447
- Mysterious WatersΔE00 1.348 · #27454a
- Japanese IndigoΔE00 1.36 · #264348
- Atlantic WavesΔE00 1.779 · #264243
- Everglade DeckΔE00 1.905 · #25464d
- Metal DeluxeΔE00 2.084 · #244343
- Blue HillΔE00 2.09 · #1e454d
- Ponderosa PineΔE00 2.113 · #29494e
- Pine HollowΔE00 2.296 · #204242
- Theatre DressΔE00 2.323 · #274242
- Sunken HarbourΔE00 2.495 · #1c3d44
- Bay Isle PointeΔE00 2.566 · #214048
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.