#51D0CB#51D0CB

#51D0CB is a light, moderate teal. Relative luminance 0.512; OKLCH L 78.7% C 0.111 H 191.5°. Best body text is #000000 at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#51D0CB
RGB	rgb(81, 208, 203)
HSL	hsl(178, 57%, 57%)
HSV	hsv(178, 61%, 82%)
CMYK	cmyk(61.1%, 0%, 2.4%, 18.4%)
CIE-LAB	lab(76.78, -35.75, -7.94)
CIE-LCH	lch(76.78, 36.62, 192.52°)
OKLab	oklab(78.65% -0.1089 -0.0221)
OKLCH	oklch(78.65% 0.111 191.5)
XYZ	xyz(36.7239, 51.1690, 64.4295)
Luminance	0.5117 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D0CB #D05156

analogous

#51D08C #51D0CB #5196D0

triadic

#51D0CB #CB51D0 #D0CB51

tetradic

#51D0CB #8C51D0 #D05156 #96D051

square

#51D0CB #8C51D0 #D05156 #96D051

split-complementary

#51D0CB #D05196 #D08C51

monochromatic

#23837F #30B3AE #51D0CB #81DDD9 #B1EAE8

Accessibility & contrast

On white

1.87

#51D0CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.23

#51D0CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D0CB

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D0CB	#FFFFFF	#000000	##000000
##51D0CB	1.00	1.87	11.23	11.23
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.23	21.00	1.00	1.00
##000000	11.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4C6CB

Deuteranopia (green-blind)

#B1B7CC

Tritanopia (blue-blind)

#00D5CE

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d0cb;
/* rgb */ color: rgb(81, 208, 203);
/* oklch */ color: oklch(78.7% 0.111 191.5);

Tailwind

colors: {
  custom: {
    50: '#90dfda',
    500: '#51d0cb',
    950: '#000000',
  },
}

SCSS

$custom: #51d0cb;
$custom-light: #90dfda;
$custom-dark: #000000;

JSON

{
  "hex": "#51d0cb",
  "rgb": {
    "r": 81,
    "g": 208,
    "b": 203
  },
  "hsl": {
    "h": 177.638,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.78654,
    "c": 0.11111,
    "h": 191.5
  },
  "luminance": 0.51173
}

Semantic roles & 50–950 ramp

primary

#51D0CB

secondary

#8A3B3E

accent

#474DE1

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D0CB

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

Preview Lab → · Contrast checker → · Palette generator →