Mermaid’s Kiss
#59c8a5
A cyan that is muted. It is light — black text sits on it comfortably, white text does not.
Hex
#59c8a5
RGB
89, 200, 165
OKLCh
75.8% 0.115 169.7°
CIELAB (D50)
73.5, -39.6, 7.5
What is true of this colour, and of no other
- 3 other named colours sit within ΔE00 2 of it.
- It uses 76% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 39.8; on black, Lc -62.6. 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 21.4 and 22.4 and 38.6 — no red cone.
Text on this colour
White text
2.05:1 — fails AA
Black text
10.23:1 — passes AA
Black text is the better of the two at10.23:1. That is enough for body text.
As text on white, it needs to change
#008768 is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved, and some saturation was given up to stay inside sRGB.
The same colour, with one cone missing
As you see it
#59c8a5
protanopia
#bfbfa5 · ΔE00 21.4
deuteranopia
#b1b1a7 · ΔE00 22.4
tritanopia
#9e9eff · ΔE00 38.6
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isDiroset at ΔE00 0.928: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- DirosetΔE00 0.928 · #5acaa4
- Aquarium BlueΔE00 1.693 · #66cdaa
- Biscay GreenΔE00 1.897 · #55c6a9
- Tropical TideΔE00 2.197 · #5ecaae
- KauaiΔE00 2.373 · #5ac7ac
- Shoreline GreenΔE00 2.409 · #58c6ab
- JadeiteΔE00 2.425 · #38c6a1
- New MeadowΔE00 2.526 · #48c09b
- MacauΔE00 2.651 · #46c299
- Minted EleganceΔE00 2.672 · #6ec9a3
- Mint JellyΔE00 2.768 · #45cea2
- Simply AquaΔE00 2.873 · #58ceb2
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.