#51D1CC#51D1CC

#51D1CC is a light, moderate teal. Relative luminance 0.517; OKLCH L 78.9% C 0.112 H 191.5°. Best body text is #000000 at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#51D1CC
RGB	rgb(81, 209, 204)
HSL	hsl(178, 58%, 57%)
HSV	hsv(178, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 2.4%, 18%)
CIE-LAB	lab(77.10, -35.94, -8.00)
CIE-LCH	lch(77.10, 36.82, 192.55°)
OKLab	oklab(78.93% -0.1095 -0.0223)
OKLCH	oklch(78.93% 0.112 191.5)
XYZ	xyz(37.0881, 51.7059, 65.1407)
Luminance	0.5171 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D1CC #D15156

analogous

#51D18C #51D1CC #5196D1

triadic

#51D1CC #CC51D1 #D1CC51

tetradic

#51D1CC #8C51D1 #D15156 #96D151

square

#51D1CC #8C51D1 #D15156 #96D151

split-complementary

#51D1CC #D15196 #D18C51

monochromatic

#238581 #30B5B0 #51D1CC #81DEDA #B2EBE8

Accessibility & contrast

On white

1.85

#51D1CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.34

#51D1CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1CC

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D1CC	#FFFFFF	#000000	##000000
##51D1CC	1.00	1.85	11.34	11.34
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.34	21.00	1.00	1.00
##000000	11.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5C7CC

Deuteranopia (green-blind)

#B1B8CD

Tritanopia (blue-blind)

#00D7CF

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d1cc;
/* rgb */ color: rgb(81, 209, 204);
/* oklch */ color: oklch(78.9% 0.112 191.5);

Tailwind

colors: {
  custom: {
    50: '#90dfdb',
    500: '#51d1cc',
    950: '#000000',
  },
}

SCSS

$custom: #51d1cc;
$custom-light: #90dfdb;
$custom-dark: #000000;

JSON

{
  "hex": "#51d1cc",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 204
  },
  "hsl": {
    "h": 177.656,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.78925,
    "c": 0.11173,
    "h": 191.5
  },
  "luminance": 0.5171
}

Semantic roles & 50–950 ramp

primary

#51D1CC

secondary

#8B3B3E

accent

#464CE1

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D1CC

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

Preview Lab → · Contrast checker → · Palette generator →