#51D1BE#51D1BE

#51D1BE is a light, moderate teal. Relative luminance 0.511; OKLCH L 78.5% C 0.116 H 181.7°. Best body text is #000000 at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#51D1BE
RGB	rgb(81, 209, 190)
HSL	hsl(171, 58%, 57%)
HSV	hsv(171, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 9.1%, 18%)
CIE-LAB	lab(76.72, -39.62, -1.04)
CIE-LCH	lch(76.72, 39.63, 181.50°)
OKLab	oklab(78.48% -0.1156 -0.0034)
OKLCH	oklch(78.48% 0.116 181.7)
XYZ	xyz(35.4838, 51.0642, 56.6916)
Luminance	0.5107 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D1BE #D15164

analogous

#51D17E #51D1BE #51A4D1

triadic

#51D1BE #BE51D1 #D1BE51

tetradic

#51D1BE #7E51D1 #D15164 #A4D151

square

#51D1BE #7E51D1 #D15164 #A4D151

split-complementary

#51D1BE #D151A4 #D17E51

monochromatic

#238576 #30B5A1 #51D1BE #81DED0 #B2EBE2

Accessibility & contrast

On white

1.87

#51D1BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.21

#51D1BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1BE

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D1BE	#FFFFFF	#000000	##000000
##51D1BE	1.00	1.87	11.21	11.21
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.21	21.00	1.00	1.00
##000000	11.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8C6BD

Deuteranopia (green-blind)

#B5B7C0

Tritanopia (blue-blind)

#00D5CB

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d1be;
/* rgb */ color: rgb(81, 209, 190);
/* oklch */ color: oklch(78.5% 0.116 181.7);

Tailwind

colors: {
  custom: {
    50: '#8fdfd1',
    500: '#51d1be',
    950: '#000000',
  },
}

SCSS

$custom: #51d1be;
$custom-light: #8fdfd1;
$custom-dark: #000000;

JSON

{
  "hex": "#51d1be",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 190
  },
  "hsl": {
    "h": 171.094,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.78483,
    "c": 0.11568,
    "h": 181.7
  },
  "luminance": 0.51068
}

Semantic roles & 50–950 ramp

primary

#51D1BE

secondary

#8B3B47

accent

#465DE1

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D1BE

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

Preview Lab → · Contrast checker → · Palette generator →