Waterworld
#00718a
A cyan that is muted. It is mid — the hardest range to put text on, either colour struggles.
Hex
#00718a
RGB
0, 113, 138
OKLCh
50.8% 0.093 220.3°
CIELAB (D50)
43.3, -20.8, -21.9
What is true of this colour, and of no other
- 12 other named colours sit within ΔE00 2 of it — this part of the space is crowded, and the names here are finer distinctions than most people make.
- It sits exactly on the sRGB boundary: at this lightness and hue the gamut has nothing left, and a wider display would show a more colourful version of it.
- As text on white it measures APCA Lc 77.6; on black, Lc -24.2. 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 22.6 and 22.1 and 22.6 — no red cone.
Text on this colour
White text
5.63:1 — passes AA
Black text
3.73:1 — large text only
White text is the better of the two at5.63:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#00718a
protanopia
#6b6b8a · ΔE00 22.6
deuteranopia
#60608b · ΔE00 22.1
tritanopia
#5252e1 · ΔE00 22.6
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBlue Jay Crest at ΔE00 0.534: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Blue Jay CrestΔE00 0.534 · #01708a
- AlignΔE00 0.772 · #00728d
- Rare TurquoiseΔE00 1.098 · #00748e
- Amulet GemΔE00 1.104 · #01748e
- Teal TuneΔE00 1.181 · #02708c
- AmalfiΔE00 1.226 · #016e85
- Ocean MirageΔE00 1.237 · #00748f
- Private EyeΔE00 1.319 · #006e89
- Enamel BlueΔE00 1.419 · #00758e
- CleopatraΔE00 1.543 · #007590
- Arabian NightsΔE00 1.755 · #016c84
- Blue FjordΔE00 1.765 · #007290
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.