#51D3BB#51D3BB

#51D3BB is a light, moderate teal. Relative luminance 0.519; OKLCH L 78.9% C 0.119 H 178.6°. Best body text is #000000 at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#51D3BB
RGB	rgb(81, 211, 187)
HSL	hsl(169, 60%, 57%)
HSV	hsv(169, 62%, 83%)
CMYK	cmyk(61.6%, 0%, 11.4%, 17.3%)
CIE-LAB	lab(77.23, -41.27, 1.33)
CIE-LCH	lch(77.23, 41.30, 178.16°)
OKLab	oklab(78.88% -0.119 0.0029)
OKLCH	oklch(78.88% 0.119 178.6)
XYZ	xyz(35.6530, 51.9220, 55.1471)
Luminance	0.5193 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D3BB #D35169

analogous

#51D37A #51D3BB #51AAD3

triadic

#51D3BB #BB51D3 #D3BB51

tetradic

#51D3BB #7A51D3 #D35169 #AAD351

square

#51D3BB #7A51D3 #D35169 #AAD351

split-complementary

#51D3BB #D351AA #D37A51

monochromatic

#228775 #2FB89F #51D3BB #82DFCE #B3ECE1

Accessibility & contrast

On white

1.84

#51D3BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.39

#51D3BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3BB

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D3BB	#FFFFFF	#000000	##000000
##51D3BB	1.00	1.84	11.39	11.39
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.39	21.00	1.00	1.00
##000000	11.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBC7BA

Deuteranopia (green-blind)

#B8B9BD

Tritanopia (blue-blind)

#00D6CC

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d3bb;
/* rgb */ color: rgb(81, 211, 187);
/* oklch */ color: oklch(78.9% 0.119 178.6);

Tailwind

colors: {
  custom: {
    50: '#8fe1cf',
    500: '#51d3bb',
    950: '#000000',
  },
}

SCSS

$custom: #51d3bb;
$custom-light: #8fe1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#51d3bb",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 187
  },
  "hsl": {
    "h": 168.923,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.78877,
    "c": 0.11908,
    "h": 178.6
  },
  "luminance": 0.51926
}

Semantic roles & 50–950 ramp

primary

#51D3BB

secondary

#8E3A4A

accent

#4562E3

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1513

muted

#7F8483

Preview Lab

Preview with #51D3BB

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

Preview Lab → · Contrast checker → · Palette generator →