#51D1CB#51D1CB

#51D1CB is a light, moderate teal. Relative luminance 0.517; OKLCH L 78.9% C 0.112 H 190.8°. Best body text is #000000 at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#51D1CB
RGB	rgb(81, 209, 203)
HSL	hsl(177, 58%, 57%)
HSV	hsv(177, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 2.9%, 18%)
CIE-LAB	lab(77.08, -36.21, -7.50)
CIE-LCH	lch(77.08, 36.98, 191.71°)
OKLab	oklab(78.89% -0.1099 -0.0209)
OKLCH	oklch(78.89% 0.112 190.8)
XYZ	xyz(36.9685, 51.6581, 64.5111)
Luminance	0.5166 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D1CB #D15157

analogous

#51D18B #51D1CB #5197D1

triadic

#51D1CB #CB51D1 #D1CB51

tetradic

#51D1CB #8B51D1 #D15157 #97D151

square

#51D1CB #8B51D1 #D15157 #97D151

split-complementary

#51D1CB #D15197 #D18B51

monochromatic

#238580 #30B5AF #51D1CB #81DED9 #B2EBE8

Accessibility & contrast

On white

1.85

#51D1CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.33

#51D1CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1CB

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D1CB	#FFFFFF	#000000	##000000
##51D1CB	1.00	1.85	11.33	11.33
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.33	21.00	1.00	1.00
##000000	11.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5C7CB

Deuteranopia (green-blind)

#B2B8CC

Tritanopia (blue-blind)

#00D6CF

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d1cb;
/* rgb */ color: rgb(81, 209, 203);
/* oklch */ color: oklch(78.9% 0.112 190.8);

Tailwind

colors: {
  custom: {
    50: '#90dfda',
    500: '#51d1cb',
    950: '#000000',
  },
}

SCSS

$custom: #51d1cb;
$custom-light: #90dfda;
$custom-dark: #000000;

JSON

{
  "hex": "#51d1cb",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 203
  },
  "hsl": {
    "h": 177.188,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.78892,
    "c": 0.1119,
    "h": 190.8
  },
  "luminance": 0.51662
}

Semantic roles & 50–950 ramp

primary

#51D1CB

secondary

#8B3B3F

accent

#464EE1

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D1CB

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

Preview Lab → · Contrast checker → · Palette generator →