Petrichor
#66cccc
A cyan that is muted. It is light — black text sits on it comfortably, white text does not.
Hex
#66cccc
RGB
102, 204, 204
OKLCh
78.5% 0.095 195.4°
CIELAB (D50)
76.0, -31.0, -9.7
What is true of this colour, and of no other
- 2 other named colours sit within ΔE00 2 of it.
- It uses 71% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 35.9; on black, Lc -66.6. 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 24.1 and 25.4 and 29.7 — no red cone.
Text on this colour
White text
1.90:1 — fails AA
Black text
11.07:1 — passes AA
Black text is the better of the two at11.07:1. That is enough for body text.
As text on white, it needs to change
#008485 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
#66cccc
protanopia
#c4c4cc · ΔE00 24.1
deuteranopia
#b6b6ce · ΔE00 25.4
tritanopia
#a4a4ff · ΔE00 29.7
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isTropical Splash at ΔE00 1.695: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Tropical SplashΔE00 1.695 · #70cbce
- Setting SailΔE00 1.803 · #5ccbc7
- RapidsΔE00 2.086 · #52c7c7
- Blue RadianceΔE00 2.148 · #58cfd4
- Soft TurquoiseΔE00 2.26 · #74ced2
- Throat ChakraΔE00 2.288 · #6aced4
- Chinese LacquerΔE00 2.318 · #60c7c2
- Port HopeΔE00 2.853 · #54c3c1
- Gem TurquoiseΔE00 2.935 · #53c2c3
- Beach SparkleΔE00 3.022 · #71cbd2
- BelizeΔE00 3.032 · #7fd3d3
- Nile StoneΔE00 3.071 · #61c9c1
12 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.