Deep Pool Teal
#366d68
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
#366d68
RGB
54, 109, 104
OKLCh
49.6% 0.059 187.7°
CIELAB (D50)
42.2, -20.1, -3.1
What is true of this colour, and of no other
- 5 other named colours sit within ΔE00 2 of it.
- It uses 68% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 79.5; on black, Lc -22.3. 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 17.9 and 19.9 and 29.5 — no red cone.
Text on this colour
White text
5.93:1 — passes AA
Black text
3.54:1 — large text only
White text is the better of the two at5.93:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#366d68
protanopia
#696968 · ΔE00 17.9
deuteranopia
#616169 · ΔE00 19.9
tritanopia
#5757b9 · ΔE00 29.5
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isNorth Sea at ΔE00 1.12: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- North SeaΔE00 1.12 · #316c69
- Betta FishΔE00 1.154 · #3a6b66
- Statue of LibertyΔE00 1.748 · #376d64
- Moonlit ForestΔE00 1.823 · #3e6d6a
- Jungle NoisesΔE00 1.986 · #36716f
- Seiheki GreenΔE00 2.555 · #3a6960
- Magnetic GreenΔE00 2.658 · #2b6867
- DignifiedΔE00 2.971 · #3b695f
- Galapagos GreenΔE00 3.053 · #29685f
- AllianceΔE00 3.053 · #2b655f
- Imperial DynastyΔE00 3.089 · #33746b
- Dusky Alpine BlueΔE00 3.215 · #296767
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.