#51E8EA#51E8EA

#51E8EA is a very light, vivid teal. Relative luminance 0.654; OKLCH L 85.4% C 0.125 H 196.3°. Best body text is #000000 at 14.08:1 contrast (WCAG AA passes).

Color values

HEX	#51E8EA
RGB	rgb(81, 232, 234)
HSL	hsl(181, 78%, 62%)
HSV	hsv(181, 65%, 92%)
CMYK	cmyk(65.4%, 0.9%, 0%, 8.2%)
CIE-LAB	lab(84.69, -38.35, -12.67)
CIE-LCH	lch(84.69, 40.39, 198.29°)
OKLab	oklab(85.36% -0.1199 -0.0352)
OKLCH	oklch(85.36% 0.125 196.3)
XYZ	xyz(47.0946, 65.3978, 87.9670)
Luminance	0.6540 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E8EA #EA5351

analogous

#51EA9F #51E8EA #519CEA

triadic

#51E8EA #EA51E8 #E8EA51

tetradic

#51E8EA #9F51EA #EA5351 #9CEA51

square

#51E8EA #9F51EA #EA5351 #9CEA51

split-complementary

#51E8EA #EA519C #EA9F51

monochromatic

#15AAAC #1BE0E2 #51E8EA #88EFF1 #BEF6F7

Accessibility & contrast

On white

1.49

#51E8EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.08

#51E8EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E8EA

14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E8EA	#FFFFFF	#000000	##000000
##51E8EA	1.00	1.49	14.08	14.08
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.08	21.00	1.00	1.00
##000000	14.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9DDEA

Deuteranopia (green-blind)

#C2CCEB

Tritanopia (blue-blind)

#00EFE8

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #51e8ea;
/* rgb */ color: rgb(81, 232, 234);
/* oklch */ color: oklch(85.4% 0.125 196.3);

Tailwind

colors: {
  custom: {
    50: '#95f0f0',
    500: '#51e8ea',
    950: '#000000',
  },
}

SCSS

$custom: #51e8ea;
$custom-light: #95f0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e8ea",
  "rgb": {
    "r": 81,
    "g": 232,
    "b": 234
  },
  "hsl": {
    "h": 180.784,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.85359,
    "c": 0.125,
    "h": 196.3
  },
  "luminance": 0.65403
}

Semantic roles & 50–950 ramp

primary

#51E8EA

secondary

#AD3432

accent

#0D0BDB

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1616

muted

#808585

Preview Lab

Preview with #51E8EA

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

Preview Lab → · Contrast checker → · Palette generator →