#51E9EA#51E9EA

#51E9EA is a very light, vivid teal. Relative luminance 0.660; OKLCH L 85.6% C 0.126 H 195.7°. Best body text is #000000 at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#51E9EA
RGB	rgb(81, 233, 234)
HSL	hsl(180, 78%, 62%)
HSV	hsv(180, 65%, 92%)
CMYK	cmyk(65.4%, 0.4%, 0%, 8.2%)
CIE-LAB	lab(84.98, -38.80, -12.24)
CIE-LCH	lch(84.98, 40.69, 197.51°)
OKLab	oklab(85.59% -0.1209 -0.034)
OKLCH	oklch(85.59% 0.126 195.7)
XYZ	xyz(47.3769, 65.9623, 88.0611)
Luminance	0.6597 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E9EA #EA5251

analogous

#51EA9F #51E9EA #519DEA

triadic

#51E9EA #EA51E9 #E9EA51

tetradic

#51E9EA #9F51EA #EA5251 #9DEA51

square

#51E9EA #9F51EA #EA5251 #9DEA51

split-complementary

#51E9EA #EA519D #EA9F51

monochromatic

#15ABAC #1BE1E2 #51E9EA #88F0F1 #BEF7F7

Accessibility & contrast

On white

1.48

#51E9EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.19

#51E9EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E9EA

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E9EA	#FFFFFF	#000000	##000000
##51E9EA	1.00	1.48	14.19	14.19
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.19	21.00	1.00	1.00
##000000	14.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DADEEA

Deuteranopia (green-blind)

#C3CDEB

Tritanopia (blue-blind)

#00F0E9

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #51e9ea;
/* rgb */ color: rgb(81, 233, 234);
/* oklch */ color: oklch(85.6% 0.126 195.7);

Tailwind

colors: {
  custom: {
    50: '#95f0f0',
    500: '#51e9ea',
    950: '#000000',
  },
}

SCSS

$custom: #51e9ea;
$custom-light: #95f0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e9ea",
  "rgb": {
    "r": 81,
    "g": 233,
    "b": 234
  },
  "hsl": {
    "h": 180.392,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.85593,
    "c": 0.12561,
    "h": 195.7
  },
  "luminance": 0.65968
}

Semantic roles & 50–950 ramp

primary

#51E9EA

secondary

#AD3332

accent

#0C0BDB

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1616

muted

#808585

Preview Lab

Preview with #51E9EA

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

Preview Lab → · Contrast checker → · Palette generator →