Cyan
Aqua Blue
Aqua Blue
#66FFE6Click to copy
Aqua Blue Parameter Conversion Table
More converters →HEX#66FFE6Copy
RGBrgb(102, 255, 230)Copy
HSLhsl(170, 100%, 70%)Copy
HSV/HSBhsv(170, 60%, 100%)Copy
CMYKcmyk(60%, 0%, 10%, 0%)Copy
Aqua Blue Color Schemes
Complementary
#66FFE6
Click to copy#FF667F
Click to copyAnalogous
#66FF9A
Click to copy#66CBFF
Click to copySplit Complementary
#FF66CB
Click to copy#FF9A66
Click to copyMonochromatic
#66FFE6
Click to copy#D0FBF4
Click to copy#FFFFFF
Click to copy#00FFD5
Click to copy#009980
Click to copy#00332B
Click to copyAqua Blue WCAG Accessibility Contrast
WCAG Calculator →The contrast ratio of this color against common foreground/background colors (based on the WCAG 2.1 standard)
Sample text Aa
White background #FFFFFF
1.23 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
17.01 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
1.13 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
10.24 : 1
AA NormalAA LargeAAA NormalAAA Large
Aqua Blue Shade Variants
Gradient Generator →Lighten with White Mixed with white for a lighter, softer color
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Darken with Black Mixed with black for a deeper, heavier color
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Muted / Morandi Mixed with gray and desaturated for a sophisticated muted tone
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Aqua Blue Color Introduction
Definition
Aqua Blue (HEX #66FFE6) has the RGB value rgb(102, 255, 230), the HSL value hsl(170°, 100%, 70%) and the CMYK print value cmyk(60%, 0%, 10%, 0%). In terms of color schemes, the complement of Aqua Blue is #FF667F, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #66FF9A and #66CBFF that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#FF66CB, #FF9A66) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Aqua Blue uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Aqua Blue has a contrast ratio of 1.23:1 against white and 17.01:1 against black; paired with a black background it reaches AAA, making it ideal for text and accent colors in dark mode.
Color Characteristics
Cyan sits between blue and green, evoking lakes, glaciers and the early morning sky. Clear and tech-savvy, it performs especially well in tech branding and summer themes. Specifically, Aqua Blue has a lightness of 70% and a saturation of 100%, bright and airy, ideal as a light background or accent color that creates a soft, comfortable atmosphere; moreover, its saturation is extremely high and its visual tension is strong, so it works best used sparingly as a focal accent. In a word: A high-key cyan.
Color Psychology
Cyan can evoke freshness, calm and trust, with a marked calming effect; psychologically it symbolizes purity, professionalism and technology. For this reason Aqua Blue tends to leave a first impression of being fresh and pure in the viewer’s mind, and this emotional tone also defines the role it plays in design.
Best Uses
Cyan suits tech products, summer themes, cleaning and care products and any scene that needs a fresh, modern feel. In real projects, Aqua Blue is also often used as a light background or supporting negative space; in “Cyan”-themed designs, the adjacent colors or lightness gradients built around it quickly establish a cohesive, clearly layered color scheme.
Aqua Blue Featured In
This color is included in the following color cards and color families. Click a card to browse more colors in the corresponding collection.