Aquamarine (178A8C) — 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 #F7F5F0 (off-white) and a neutral background for a modern, readable result.

Values

HEX #178A8C

RGB rgb(23, 138, 140)

HSL hsl(181°, 72%, 32%)

CMYK C:84% M:1% Y:0% K:45%

Luminance 0.2056

WCAG Accessibility

On white 4.16:1

Aa — #178A8C

Secondary text

✗ AA ✗ AAA ✓ AA Large

On black 5.05:1

Aa — #178A8C

Secondary text

✓ AA ✗ AAA ✓ AA Large

50 100 200 300 400 500 600 700 800 900 950

All harmonies

Complementary

#178A8C #8C1917

Analogous

#178C54 #178A8C #17508C

Triadic

#178A8C #8C178A #8A8C17

Split-comp.

#178A8C #8C1750 #8C5417

Tetradic

#178A8C #54178C #8C1917 #508C17

Monochromatic

#8BE2E4 #39CED0 #1F8384 #155A5B #071D1D

Suggested palettes for this hue.

Volcano View all →

Coral Sea View all →

Velvet & Silk View all →