#51E3BB#51E3BB

#51E3BB is a very light, vivid teal. Relative luminance 0.603; OKLCH L 82.8% C 0.137 H 171.2°. Best body text is #000000 at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#51E3BB
RGB	rgb(81, 227, 187)
HSL	hsl(164, 72%, 60%)
HSV	hsv(164, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 17.6%, 11%)
CIE-LAB	lab(81.99, -48.20, 8.19)
CIE-LCH	lch(81.99, 48.89, 170.36°)
OKLab	oklab(82.75% -0.1355 0.0209)
OKLCH	oklch(82.75% 0.137 171.2)
XYZ	xyz(39.8276, 60.2710, 56.5386)
Luminance	0.6028 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E3BB #E35179

analogous

#51E372 #51E3BB #51C2E3

triadic

#51E3BB #BB51E3 #E3BB51

tetradic

#51E3BB #7251E3 #E35179 #C2E351

square

#51E3BB #7251E3 #E35179 #C2E351

split-complementary

#51E3BB #E351C2 #E37251

monochromatic

#1AA07B #22D5A4 #51E3BB #86EBD0 #BAF4E4

Accessibility & contrast

On white

1.61

#51E3BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.06

#51E3BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E3BB

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E3BB	#FFFFFF	#000000	##000000
##51E3BB	1.00	1.61	13.06	13.06
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.06	21.00	1.00	1.00
##000000	13.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCD5B9

Deuteranopia (green-blind)

#C8C6BE

Tritanopia (blue-blind)

#00E5D7

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e3bb;
/* rgb */ color: rgb(81, 227, 187);
/* oklch */ color: oklch(82.8% 0.137 171.2);

Tailwind

colors: {
  custom: {
    50: '#91eccf',
    500: '#51e3bb',
    950: '#000000',
  },
}

SCSS

$custom: #51e3bb;
$custom-light: #91eccf;
$custom-dark: #000000;

JSON

{
  "hex": "#51e3bb",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 187
  },
  "hsl": {
    "h": 163.562,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.8275,
    "c": 0.13707,
    "h": 171.2
  },
  "luminance": 0.60275
}

Semantic roles & 50–950 ramp

primary

#51E3BB

secondary

#A33553

accent

#1147D4

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1613

muted

#7F8583

Preview Lab

Preview with #51E3BB

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

Preview Lab → · Contrast checker → · Palette generator →