#51D8BE#51D8BE

#51D8BE is a light, vivid teal. Relative luminance 0.546; OKLCH L 80.2% C 0.123 H 177.9°. Best body text is #000000 at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#51D8BE
RGB	rgb(81, 216, 190)
HSL	hsl(168, 63%, 58%)
HSV	hsv(168, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 12%, 15.3%)
CIE-LAB	lab(78.80, -42.73, 1.99)
CIE-LCH	lch(78.80, 42.78, 177.33°)
OKLab	oklab(80.17% -0.1229 0.0046)
OKLCH	oklch(80.17% 0.123 177.9)
XYZ	xyz(37.2391, 54.5748, 57.2767)
Luminance	0.5458 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8BE #D8516B

analogous

#51D87A #51D8BE #51AFD8

triadic

#51D8BE #BE51D8 #D8BE51

tetradic

#51D8BE #7A51D8 #D8516B #AFD851

square

#51D8BE #7A51D8 #D8516B #AFD851

split-complementary

#51D8BE #D851AF #D87A51

monochromatic

#208F79 #2BC1A4 #51D8BE #83E3D1 #B5EEE3

Accessibility & contrast

On white

1.76

#51D8BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.92

#51D8BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8BE

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8BE	#FFFFFF	#000000	##000000
##51D8BE	1.00	1.76	11.92	11.92
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.92	21.00	1.00	1.00
##000000	11.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0CBBD

Deuteranopia (green-blind)

#BCBDC0

Tritanopia (blue-blind)

#00DBD0

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51d8be;
/* rgb */ color: rgb(81, 216, 190);
/* oklch */ color: oklch(80.2% 0.123 177.9);

Tailwind

colors: {
  custom: {
    50: '#90e5d1',
    500: '#51d8be',
    950: '#000000',
  },
}

SCSS

$custom: #51d8be;
$custom-light: #90e5d1;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8be",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 190
  },
  "hsl": {
    "h": 168.444,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.80173,
    "c": 0.12297,
    "h": 177.9
  },
  "luminance": 0.54579
}

Semantic roles & 50–950 ramp

primary

#51D8BE

secondary

#94394B

accent

#4161E6

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51D8BE

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

Preview Lab → · Contrast checker → · Palette generator →