Pearl Green
#377b70
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
#377b70
RGB
55, 123, 112
OKLCh
53.6% 0.071 181.4°
CIELAB (D50)
47.0, -24.7, -0.9
What is true of this colour, and of no other
- 4 other named colours sit within ΔE00 2 of it.
- It uses 74% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 74.2; on black, Lc -27.5. 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 19.5 and 21.3 and 33.4 — no red cone.
Text on this colour
White text
4.97:1 — passes AA
Black text
4.23:1 — large text only
White text is the better of the two at4.97:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#377b70
protanopia
#767670 · ΔE00 19.5
deuteranopia
#6c6c71 · ΔE00 21.3
tritanopia
#6161d2 · ΔE00 33.4
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isGenoa at ΔE00 1.11: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- GenoaΔE00 1.11 · #31796d
- MaturityΔE00 1.179 · #38796c
- Iguaçuense WaterfallΔE00 1.786 · #2e776d
- Green SleevesΔE00 1.901 · #39766c
- Teal We Meet AgainΔE00 2.059 · #2b7b6c
- Copper Mineral GreenΔE00 2.276 · #398174
- IvyΔE00 2.415 · #277b74
- Imperial DynastyΔE00 2.608 · #33746b
- NomineeΔE00 2.611 · #357567
- Elegant SilkΔE00 2.672 · #217f74
- Green MorayΔE00 2.673 · #3a7968
- Myrtle GreenΔE00 2.722 · #317873
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.