#51E3EA#51E3EA

#51E3EA is a very light, vivid teal. Relative luminance 0.626; OKLCH L 84.2% C 0.122 H 199.7°. Best body text is #000000 at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#51E3EA
RGB	rgb(81, 227, 234)
HSL	hsl(183, 78%, 62%)
HSV	hsv(183, 65%, 92%)
CMYK	cmyk(65.4%, 3%, 0%, 8.2%)
CIE-LAB	lab(83.24, -36.05, -14.84)
CIE-LCH	lch(83.24, 38.98, 202.37°)
OKLab	oklab(84.19% -0.115 -0.0411)
OKLCH	oklch(84.19% 0.122 199.7)
XYZ	xyz(45.7072, 62.6229, 87.5045)
Luminance	0.6263 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E3EA #EA5851

analogous

#51EAA5 #51E3EA #5197EA

triadic

#51E3EA #EA51E3 #E3EA51

tetradic

#51E3EA #A551EA #EA5851 #97EA51

square

#51E3EA #A551EA #EA5851 #97EA51

split-complementary

#51E3EA #EA5197 #EAA551

monochromatic

#15A5AC #1BD9E2 #51E3EA #88ECF1 #BEF5F7

Accessibility & contrast

On white

1.55

#51E3EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.53

#51E3EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E3EA

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E3EA	#FFFFFF	#000000	##000000
##51E3EA	1.00	1.55	13.53	13.53
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.53	21.00	1.00	1.00
##000000	13.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3D9EB

Deuteranopia (green-blind)

#BCC8EB

Tritanopia (blue-blind)

#00EBE5

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #51e3ea;
/* rgb */ color: rgb(81, 227, 234);
/* oklch */ color: oklch(84.2% 0.122 199.7);

Tailwind

colors: {
  custom: {
    50: '#94ecf0',
    500: '#51e3ea',
    950: '#000000',
  },
}

SCSS

$custom: #51e3ea;
$custom-light: #94ecf0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e3ea",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 234
  },
  "hsl": {
    "h": 182.745,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.84189,
    "c": 0.12217,
    "h": 199.7
  },
  "luminance": 0.62628
}

Semantic roles & 50–950 ramp

primary

#51E3EA

secondary

#AD3832

accent

#140BDB

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #51E3EA

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

Preview Lab → · Contrast checker → · Palette generator →