Aquarium Blue Color – #66cdaa: Codes and Complete Breakdown
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The Aquarium Blue color hex code is #66cdaa, and it is composed of 40% red, 80% green and 67% blue.
Aquarium Blue is a light, muted, and cool color at 50% saturation. It has a contrast ratio of 1.93:1 against a white background, which fails WCAG AA (Web Content Accessibility Guidelines, Level AA) compliance.
For better visibility, it is recommended to use the Aquarium Blue color (#66cdaa) against dark backgrounds.

Aquarium Blue Color Shades
Complementary colors
Triadic colors
Tints or lighter colors
Darker colors
Analogous colors
Monochromatic colors
#66cdaa
Aquarium Blue Color Codes and Information
Here’s a complete breakdown of the color Aquarium Blue, including its HEX, RGB, HSL, and CMYK values, as well as other information about the color.
| Data Type | Values/Details |
|---|---|
| Hex | #66cdaa |
| RGB | rgb(102,205,170) |
| HSL | hsl(160,50.7%,60.2%) |
| CMYK | 50, 0, 17, 20 |
| HSV | 160, 50, 80 |
| RGB % | 40, 80, 67 |
| XYZ | 34.6, 49.4, 45.7 |
| LAB | 75.7, -38.2, 8.4 |
| Color Category | Light |
| Color Family | Green |
| Saturation | 50% |
| Temperature | Cool |
| Contrast Ratio Againt White (#ffffff) | 1.93 (fails WCAG AA) |
| Contrast Ratio Againt Black (#000000) | 10.88 (passes WCAG AA) |
Similar Colors to Aquarium Blue Color
#16b8f3

Zima Blue
#00308f

US Air Force Blue
#8093a4

Dusty Blue
#4169e1

Royal Blue
#dde0df

Barely Blue
#9bb3bc

Blue Shell
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Weak Blue
#d1d8d0

Zephyr Blue









