#51D1BD#51D1BD

#51D1BD is a light, moderate teal. Relative luminance 0.510; OKLCH L 78.5% C 0.116 H 181.0°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#51D1BD
RGB	rgb(81, 209, 189)
HSL	hsl(171, 58%, 57%)
HSV	hsv(171, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 9.6%, 18%)
CIE-LAB	lab(76.69, -39.88, -0.54)
CIE-LCH	lch(76.69, 39.88, 180.78°)
OKLab	oklab(78.45% -0.1161 -0.0021)
OKLCH	oklch(78.45% 0.116 181)
XYZ	xyz(35.3749, 51.0207, 56.1179)
Luminance	0.5102 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D1BD #D15165

analogous

#51D17D #51D1BD #51A5D1

triadic

#51D1BD #BD51D1 #D1BD51

tetradic

#51D1BD #7D51D1 #D15165 #A5D151

square

#51D1BD #7D51D1 #D15165 #A5D151

split-complementary

#51D1BD #D151A5 #D17D51

monochromatic

#238575 #30B5A0 #51D1BD #81DECF #B2EBE2

Accessibility & contrast

On white

1.87

#51D1BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#51D1BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1BD

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D1BD	#FFFFFF	#000000	##000000
##51D1BD	1.00	1.87	11.20	11.20
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8C5BC

Deuteranopia (green-blind)

#B5B7BF

Tritanopia (blue-blind)

#00D5CB

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d1bd;
/* rgb */ color: rgb(81, 209, 189);
/* oklch */ color: oklch(78.5% 0.116 181.0);

Tailwind

colors: {
  custom: {
    50: '#8fdfd0',
    500: '#51d1bd',
    950: '#000000',
  },
}

SCSS

$custom: #51d1bd;
$custom-light: #8fdfd0;
$custom-dark: #000000;

JSON

{
  "hex": "#51d1bd",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 189
  },
  "hsl": {
    "h": 170.625,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.78453,
    "c": 0.11609,
    "h": 181
  },
  "luminance": 0.51024
}

Semantic roles & 50–950 ramp

primary

#51D1BD

secondary

#8B3B47

accent

#465FE1

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D1BD

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

Preview Lab → · Contrast checker → · Palette generator →