#51D4BB#51D4BB

#51D4BB is a light, vivid teal. Relative luminance 0.524; OKLCH L 79.1% C 0.120 H 178.1°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#51D4BB
RGB	rgb(81, 212, 187)
HSL	hsl(169, 60%, 57%)
HSV	hsv(169, 62%, 83%)
CMYK	cmyk(61.8%, 0%, 11.8%, 16.9%)
CIE-LAB	lab(77.53, -41.72, 1.76)
CIE-LCH	lch(77.53, 41.75, 177.59°)
OKLab	oklab(79.12% -0.1201 0.004)
OKLCH	oklch(79.12% 0.12 178.1)
XYZ	xyz(35.9022, 52.4204, 55.2301)
Luminance	0.5242 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D4BB #D4516A

analogous

#51D47A #51D4BB #51ABD4

triadic

#51D4BB #BB51D4 #D4BB51

tetradic

#51D4BB #7A51D4 #D4516A #ABD451

square

#51D4BB #7A51D4 #D4516A #ABD451

split-complementary

#51D4BB #D451AB #D47A51

monochromatic

#228975 #2EBA9F #51D4BB #82E0CE #B3ECE1

Accessibility & contrast

On white

1.83

#51D4BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#51D4BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4BB

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D4BB	#FFFFFF	#000000	##000000
##51D4BB	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCC8BA

Deuteranopia (green-blind)

#B9BABD

Tritanopia (blue-blind)

#00D7CC

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d4bb;
/* rgb */ color: rgb(81, 212, 187);
/* oklch */ color: oklch(79.1% 0.120 178.1);

Tailwind

colors: {
  custom: {
    50: '#8fe2cf',
    500: '#51d4bb',
    950: '#000000',
  },
}

SCSS

$custom: #51d4bb;
$custom-light: #8fe2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#51d4bb",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 187
  },
  "hsl": {
    "h": 168.55,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.79119,
    "c": 0.12016,
    "h": 178.1
  },
  "luminance": 0.52424
}

Semantic roles & 50–950 ramp

primary

#51D4BB

secondary

#8F3A4A

accent

#4463E4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1513

muted

#7F8483

Preview Lab

Preview with #51D4BB

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

Preview Lab → · Contrast checker → · Palette generator →