Green Sleeves
#39766c
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
#39766c
RGB
57, 118, 108
OKLCh
52.2% 0.066 181.6°
CIELAB (D50)
45.4, -22.7, -0.9
What is true of this colour, and of no other
- 6 other named colours sit within ΔE00 2 of it.
- It uses 70% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 76.1; on black, Lc -25.7. 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 18.7 and 20.4 and 32.2 — no red cone.
Text on this colour
White text
5.27:1 — passes AA
Black text
3.98:1 — large text only
White text is the better of the two at5.27:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#39766c
protanopia
#71716c · ΔE00 18.7
deuteranopia
#69696d · ΔE00 20.4
tritanopia
#5e5ec7 · ΔE00 32.2
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isImperial Dynasty at ΔE00 1.111: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Imperial DynastyΔE00 1.111 · #33746b
- Iguaçuense WaterfallΔE00 1.557 · #2e776d
- MaturityΔE00 1.577 · #38796c
- GenoaΔE00 1.761 · #31796d
- NomineeΔE00 1.77 · #357567
- Pearl GreenΔE00 1.901 · #377b70
- Myrtle GreenΔE00 2.538 · #317873
- Sea PeaΔE00 2.815 · #457973
- Turquoise TortoiseΔE00 2.87 · #457b74
- Majorelle GardensΔE00 2.874 · #337766
- Green MorayΔE00 2.9 · #3a7968
- Teal We Meet AgainΔE00 3.127 · #2b7b6c
9 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.