#51E4EA#51E4EA

#51E4EA is a very light, vivid teal. Relative luminance 0.632; OKLCH L 84.4% C 0.123 H 199.0°. Best body text is #000000 at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#51E4EA
RGB	rgb(81, 228, 234)
HSL	hsl(182, 78%, 62%)
HSV	hsv(182, 65%, 92%)
CMYK	cmyk(65.4%, 2.6%, 0%, 8.2%)
CIE-LAB	lab(83.53, -36.51, -14.40)
CIE-LCH	lch(83.53, 39.25, 201.53°)
OKLab	oklab(84.42% -0.116 -0.0399)
OKLCH	oklch(84.42% 0.123 199)
XYZ	xyz(45.9815, 63.1715, 87.5959)
Luminance	0.6318 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E4EA #EA5751

analogous

#51EAA4 #51E4EA #5198EA

triadic

#51E4EA #EA51E4 #E4EA51

tetradic

#51E4EA #A451EA #EA5751 #98EA51

square

#51E4EA #A451EA #EA5751 #98EA51

split-complementary

#51E4EA #EA5198 #EAA451

monochromatic

#15A6AC #1BDBE2 #51E4EA #88ECF1 #BEF5F7

Accessibility & contrast

On white

1.54

#51E4EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.64

#51E4EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E4EA

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E4EA	#FFFFFF	#000000	##000000
##51E4EA	1.00	1.54	13.64	13.64
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.64	21.00	1.00	1.00
##000000	13.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4DAEB

Deuteranopia (green-blind)

#BDC9EB

Tritanopia (blue-blind)

#00ECE5

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51e4ea;
/* rgb */ color: rgb(81, 228, 234);
/* oklch */ color: oklch(84.4% 0.123 199.0);

Tailwind

colors: {
  custom: {
    50: '#95edf0',
    500: '#51e4ea',
    950: '#000000',
  },
}

SCSS

$custom: #51e4ea;
$custom-light: #95edf0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e4ea",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 234
  },
  "hsl": {
    "h": 182.353,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.84423,
    "c": 0.1227,
    "h": 199
  },
  "luminance": 0.63177
}

Semantic roles & 50–950 ramp

primary

#51E4EA

secondary

#AD3732

accent

#130BDB

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1616

muted

#808585

Preview Lab

Preview with #51E4EA

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

Preview Lab → · Contrast checker → · Palette generator →