#51E1BB#51E1BB

#51E1BB is a very light, vivid teal. Relative luminance 0.592; OKLCH L 82.3% C 0.135 H 172.0°. Best body text is #000000 at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#51E1BB
RGB	rgb(81, 225, 187)
HSL	hsl(164, 71%, 60%)
HSV	hsv(164, 64%, 88%)
CMYK	cmyk(64%, 0%, 16.9%, 11.8%)
CIE-LAB	lab(81.39, -47.35, 7.34)
CIE-LCH	lch(81.39, 47.91, 171.19°)
OKLab	oklab(82.27% -0.1334 0.0187)
OKLCH	oklch(82.27% 0.135 172)
XYZ	xyz(39.2838, 59.1834, 56.3573)
Luminance	0.5919 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E1BB #E15177

analogous

#51E173 #51E1BB #51BFE1

triadic

#51E1BB #BB51E1 #E1BB51

tetradic

#51E1BB #7351E1 #E15177 #BFE151

square

#51E1BB #7351E1 #E15177 #BFE151

split-complementary

#51E1BB #E151BF #E17351

monochromatic

#1B9D7A #24D1A3 #51E1BB #85EACF #B9F3E4

Accessibility & contrast

On white

1.64

#51E1BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.84

#51E1BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E1BB

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E1BB	#FFFFFF	#000000	##000000
##51E1BB	1.00	1.64	12.84	12.84
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.84	21.00	1.00	1.00
##000000	12.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAD3B9

Deuteranopia (green-blind)

#C6C4BE

Tritanopia (blue-blind)

#00E3D6

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e1bb;
/* rgb */ color: rgb(81, 225, 187);
/* oklch */ color: oklch(82.3% 0.135 172.0);

Tailwind

colors: {
  custom: {
    50: '#91ebcf',
    500: '#51e1bb',
    950: '#000000',
  },
}

SCSS

$custom: #51e1bb;
$custom-light: #91ebcf;
$custom-dark: #000000;

JSON

{
  "hex": "#51e1bb",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 187
  },
  "hsl": {
    "h": 164.167,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.82265,
    "c": 0.13474,
    "h": 172
  },
  "luminance": 0.59188
}

Semantic roles & 50–950 ramp

primary

#51E1BB

secondary

#A03652

accent

#3A6AED

background

#FCFEFE

surface

#F5FDFB

border

#CFD5D4

text

#0E1613

muted

#7F8483

Preview Lab

Preview with #51E1BB

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

Preview Lab → · Contrast checker → · Palette generator →