Tranquili Teal
#6c9da9
A cyan that is nearly neutral — the hue shows only against a true grey. It is light — black text sits on it comfortably, white text does not.
Hex
#6c9da9
RGB
108, 157, 169
OKLCh
66.5% 0.055 214.7°
CIELAB (D50)
61.6, -14.7, -11.8
What is true of this colour, and of no other
- 7 other named colours sit within ΔE00 2 of it.
- It uses 47% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 56.4; on black, Lc -45.3. 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 19.0 and 20.3 — no red cone.
Text on this colour
White text
2.99:1 — fails AA
Black text
7.03:1 — passes AA
Black text is the better of the two at7.03:1. That is enough for body text.
As text on white, it needs to change
#4e7e8a is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved.
The same colour, with one cone missing
As you see it
#6c9da9
protanopia
#9898a9 · ΔE00 17.9
deuteranopia
#9191aa · ΔE00 19.0
tritanopia
#8888fb · ΔE00 20.3
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isReef Waters at ΔE00 1.013: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Reef WatersΔE00 1.013 · #6f9fa9
- Rusty TapΔE00 1.051 · #719da8
- Left Bank BlueΔE00 1.169 · #699cab
- VoyageΔE00 1.736 · #719ca4
- Crystal BlueΔE00 1.791 · #68a0b0
- Flood TideΔE00 1.806 · #6c98a2
- Shore WaterΔE00 1.992 · #6797a2
- StillwaterΔE00 2.169 · #70a4b0
- Great Fennel FlowerΔE00 2.18 · #719ba2
- SeascapeΔE00 2.262 · #77a2ad
- Cloudy SeaΔE00 2.283 · #6699aa
- Pyjama BlueΔE00 2.395 · #6299aa
12 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.