#51D1CA#51D1CA

#51D1CA is a light, moderate teal. Relative luminance 0.516; OKLCH L 78.9% C 0.112 H 190.1°. Best body text is #000000 at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#51D1CA
RGB	rgb(81, 209, 202)
HSL	hsl(177, 58%, 57%)
HSV	hsv(177, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 3.3%, 18%)
CIE-LAB	lab(77.05, -36.48, -7.01)
CIE-LCH	lch(77.05, 37.15, 190.87°)
OKLab	oklab(78.86% -0.1104 -0.0196)
OKLCH	oklch(78.86% 0.112 190.1)
XYZ	xyz(36.8497, 51.6106, 63.8855)
Luminance	0.5161 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D1CA #D15158

analogous

#51D18A #51D1CA #5198D1

triadic

#51D1CA #CA51D1 #D1CA51

tetradic

#51D1CA #8A51D1 #D15158 #98D151

square

#51D1CA #8A51D1 #D15158 #98D151

split-complementary

#51D1CA #D15198 #D18A51

monochromatic

#23857F #30B5AE #51D1CA #81DED9 #B2EBE7

Accessibility & contrast

On white

1.85

#51D1CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.32

#51D1CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1CA

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D1CA	#FFFFFF	#000000	##000000
##51D1CA	1.00	1.85	11.32	11.32
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.32	21.00	1.00	1.00
##000000	11.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6C7CA

Deuteranopia (green-blind)

#B2B8CB

Tritanopia (blue-blind)

#00D6CF

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d1ca;
/* rgb */ color: rgb(81, 209, 202);
/* oklch */ color: oklch(78.9% 0.112 190.1);

Tailwind

colors: {
  custom: {
    50: '#90dfda',
    500: '#51d1ca',
    950: '#000000',
  },
}

SCSS

$custom: #51d1ca;
$custom-light: #90dfda;
$custom-dark: #000000;

JSON

{
  "hex": "#51d1ca",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 202
  },
  "hsl": {
    "h": 176.719,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.7886,
    "c": 0.11208,
    "h": 190.1
  },
  "luminance": 0.51615
}

Semantic roles & 50–950 ramp

primary

#51D1CA

secondary

#8B3B3F

accent

#464FE1

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D1CA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →