Cerulean Skies
#8cc6cb
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
#8cc6cb
RGB
140, 198, 203
OKLCh
78.8% 0.060 202.8°
CIELAB (D50)
76.0, -18.5, -8.9
What is true of this colour, and of no other
- 8 other named colours sit within ΔE00 2 of it.
- It uses 45% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 36.1; on black, Lc -66.4. 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 19.2 and 20.6 and 23.5 — no red cone.
Text on this colour
White text
1.90:1 — fails AA
Black text
11.06:1 — passes AA
Black text is the better of the two at11.06:1. That is enough for body text.
As text on white, it needs to change
#478084 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
#8cc6cb
protanopia
#c1c1cb · ΔE00 19.2
deuteranopia
#b7b7cc · ΔE00 20.6
tritanopia
#adadff · ΔE00 23.5
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBig Sky Country at ΔE00 1.151: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Big Sky CountryΔE00 1.151 · #85c4c9
- Bay MistΔE00 1.542 · #85c5c8
- BathingΔE00 1.58 · #93c9d0
- Angel BlueΔE00 1.654 · #83c5cd
- Embellished BlueΔE00 1.693 · #8bc7c8
- Jellyfish BlueΔE00 1.702 · #95cad0
- CelestineΔE00 1.727 · #85c1c4
- PentagonΔE00 1.883 · #96ccd1
- Pearl BayΔE00 2.158 · #7fc6cc
- Chuff BlueΔE00 2.178 · #91c1c6
- Gentle AquamarineΔE00 2.235 · #97cbd2
- Peppermint TwistΔE00 2.373 · #96ced5
12 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.