Aquatic
#99c1cc
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
#99c1cc
RGB
153, 193, 204
OKLCh
78.6% 0.045 216.4°
CIELAB (D50)
75.4, -11.9, -10.2
What is true of this colour, and of no other
- 7 other named colours sit within ΔE00 2 of it.
- It uses only 32% of the chroma available at this lightness and hue — there is a far more vivid version of this colour inside sRGB.
- As text on white it measures APCA Lc 37.1; on black, Lc -65.4. 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 15.5 and 16.6 and 18.1 — no red cone.
Text on this colour
White text
1.93:1 — fails AA
Black text
10.85:1 — passes AA
Black text is the better of the two at10.85:1. That is enough for body text.
As text on white, it needs to change
#577d87 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
#99c1cc
protanopia
#bdbdcc · ΔE00 15.5
deuteranopia
#b6b6cd · ΔE00 16.6
tritanopia
#afafff · ΔE00 18.1
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isPorcelain Blue at ΔE00 0.847: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Porcelain BlueΔE00 0.847 · #95c0cb
- Blue ChalkΔE00 1.017 · #94c0cc
- Rest AssuredΔE00 1.038 · #9bbfc9
- Alluring BlueΔE00 1.179 · #9ec4cd
- StratosphereΔE00 1.346 · #9ec1cc
- SquirtΔE00 1.533 · #95bcc5
- Agua FríaΔE00 1.909 · #9fc5cc
- JuneΔE00 2.067 · #9bc4d4
- Sydney HarbourΔE00 2.068 · #97bbc8
- Casual DayΔE00 2.162 · #95bac2
- Blue DamΔE00 2.178 · #a2c6d3
- Soothing BlueΔE00 2.199 · #9cc9d4
12 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.