#51D8BB#51D8BB

#51D8BB is a light, vivid teal. Relative luminance 0.544; OKLCH L 80.1% C 0.125 H 176.1°. Best body text is #000000 at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#51D8BB
RGB	rgb(81, 216, 187)
HSL	hsl(167, 63%, 58%)
HSV	hsv(167, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 13.4%, 15.3%)
CIE-LAB	lab(78.72, -43.48, 3.48)
CIE-LCH	lch(78.72, 43.62, 175.42°)
OKLab	oklab(80.09% -0.1242 0.0086)
OKLCH	oklch(80.09% 0.125 176.1)
XYZ	xyz(36.9146, 54.4450, 55.5676)
Luminance	0.5445 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8BB #D8516E

analogous

#51D877 #51D8BB #51B1D8

triadic

#51D8BB #BB51D8 #D8BB51

tetradic

#51D8BB #7751D8 #D8516E #B1D851

square

#51D8BB #7751D8 #D8516E #B1D851

split-complementary

#51D8BB #D851B1 #D87751

monochromatic

#208F77 #2BC1A1 #51D8BB #83E3CF #B5EEE2

Accessibility & contrast

On white

1.77

#51D8BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.89

#51D8BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8BB

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8BB	#FFFFFF	#000000	##000000
##51D8BB	1.00	1.77	11.89	11.89
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.89	21.00	1.00	1.00
##000000	11.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0CBBA

Deuteranopia (green-blind)

#BDBDBD

Tritanopia (blue-blind)

#00DBCF

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51d8bb;
/* rgb */ color: rgb(81, 216, 187);
/* oklch */ color: oklch(80.1% 0.125 176.1);

Tailwind

colors: {
  custom: {
    50: '#90e5cf',
    500: '#51d8bb',
    950: '#000000',
  },
}

SCSS

$custom: #51d8bb;
$custom-light: #90e5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8bb",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 187
  },
  "hsl": {
    "h": 167.111,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.80087,
    "c": 0.12452,
    "h": 176.1
  },
  "luminance": 0.54449
}

Semantic roles & 50–950 ramp

primary

#51D8BB

secondary

#94394D

accent

#4165E6

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1613

muted

#7F8483

Preview Lab

Preview with #51D8BB

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

Preview Lab → · Contrast checker → · Palette generator →