Aquamarine (66DDE0) — Shades, Harmonies, Palettes, CSS Code

"Aquamarine"

Cyan · Summer

🧠 Psychology

Fresh and soothing color. Evokes clarity, communication and technological innovation.

✨ Uses

Tech, health, communication, SaaS, media.

Tip

Aquamarine pairs ideally with #1C1B18 (dark text) and a neutral background for a modern, readable result.

Values

HEX #66DDE0

RGB rgb(102, 221, 224)

HSL hsl(181°, 66%, 64%)

CMYK C:54% M:1% Y:0% K:12%

Luminance 0.6046

WCAG Accessibility

On white 1.62:1

Aa — #66DDE0

Secondary text

✗ AA ✗ AAA ✗ AA Large

On black 12.98:1

Aa — #66DDE0

Secondary text

✓ AA ✓ AAA ✓ AA Large

50 100 200 300 400 500 600 700 800 900 950

All harmonies

Complementary

#66DDE0 #E06967

Analogous

#67E0A5 #66DDE0 #67A1E0

Triadic

#66DDE0 #E067DE #DEE067

Split-comp.

#66DDE0 #E067A1 #E0A567

Tetradic

#66DDE0 #A567E0 #E06967 #A1E067

Monochromatic

#1B5E5F #31ADAF #70D5D7 #98E1E2 #D3F2F3

Suggested palettes for this hue.

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