#51D8BF#51D8BF

#51D8BF is a light, vivid teal. Relative luminance 0.546; OKLCH L 80.2% C 0.122 H 178.5°. Best body text is #000000 at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#51D8BF
RGB	rgb(81, 216, 191)
HSL	hsl(169, 63%, 58%)
HSV	hsv(169, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 11.6%, 15.3%)
CIE-LAB	lab(78.82, -42.49, 1.49)
CIE-LCH	lch(78.82, 42.51, 177.99°)
OKLab	oklab(80.2% -0.1224 0.0033)
OKLCH	oklch(80.2% 0.122 178.5)
XYZ	xyz(37.3487, 54.6187, 57.8542)
Luminance	0.5462 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8BF #D8516A

analogous

#51D87B #51D8BF #51ADD8

triadic

#51D8BF #BF51D8 #D8BF51

tetradic

#51D8BF #7B51D8 #D8516A #ADD851

square

#51D8BF #7B51D8 #D8516A #ADD851

split-complementary

#51D8BF #D851AD #D87B51

monochromatic

#208F7A #2BC1A5 #51D8BF #83E3D1 #B5EEE4

Accessibility & contrast

On white

1.76

#51D8BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.92

#51D8BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8BF

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8BF	#FFFFFF	#000000	##000000
##51D8BF	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)

#D0CCBE

Deuteranopia (green-blind)

#BCBDC1

Tritanopia (blue-blind)

#00DBD0

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51d8bf;
/* rgb */ color: rgb(81, 216, 191);
/* oklch */ color: oklch(80.2% 0.122 178.5);

Tailwind

colors: {
  custom: {
    50: '#90e5d2',
    500: '#51d8bf',
    950: '#000000',
  },
}

SCSS

$custom: #51d8bf;
$custom-light: #90e5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8bf",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 191
  },
  "hsl": {
    "h": 168.889,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.80202,
    "c": 0.12247,
    "h": 178.5
  },
  "luminance": 0.54623
}

Semantic roles & 50–950 ramp

primary

#51D8BF

secondary

#94394A

accent

#4160E6

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51D8BF

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

Preview Lab → · Contrast checker → · Palette generator →