Turquoise (21D1B5) — Shades, Harmonies, Palettes, CSS Code

"Turquoise"

Cyan · Summer

🧠 Psychology

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

✨ Uses

Tech, health, communication, SaaS, media.

Tip

Turquoise pairs ideally with #F7F5F0 (off-white) and a neutral background for a modern, readable result.

Values

HEX #21D1B5

RGB rgb(33, 209, 181)

HSL hsl(170°, 73%, 47%)

CMYK C:84% M:0% Y:13% K:18%

Luminance 0.498

WCAG Accessibility

On white 1.94:1

Aa — #21D1B5

Secondary text

✗ AA ✗ AAA ✗ AA Large

On black 10.85:1

Aa — #21D1B5

Secondary text

✓ AA ✓ AAA ✓ AA Large

50 100 200 300 400 500 600 700 800 900 950

All harmonies

Complementary

#21D1B5 #CF203E

Analogous

#20CF5B #21D1B5 #2095CF

Triadic

#21D1B5 #B220CF #CFB220

Split-comp.

#21D1B5 #CF2095 #CF5B20

Tetradic

#21D1B5 #5B20CF #CF203E #95CF20

Monochromatic

#C9F3EC #76E0CE #2CC3AA #239A86 #155B50

Suggested palettes for this hue.

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