#51E8EB#51E8EB

#51E8EB is a very light, vivid teal. Relative luminance 0.655; OKLCH L 85.4% C 0.125 H 197.0°. Best body text is #000000 at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#51E8EB
RGB	rgb(81, 232, 235)
HSL	hsl(181, 79%, 62%)
HSV	hsv(181, 66%, 92%)
CMYK	cmyk(65.5%, 1.3%, 0%, 7.8%)
CIE-LAB	lab(84.72, -38.07, -13.16)
CIE-LCH	lch(84.72, 40.28, 199.06°)
OKLab	oklab(85.39% -0.1195 -0.0365)
OKLCH	oklch(85.39% 0.125 197)
XYZ	xyz(47.2387, 65.4554, 88.7257)
Luminance	0.6546 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E8EB #EB5451

analogous

#51EBA1 #51E8EB #519BEB

triadic

#51E8EB #EB51E8 #E8EB51

tetradic

#51E8EB #A151EB #EB5451 #9BEB51

square

#51E8EB #A151EB #EB5451 #9BEB51

split-complementary

#51E8EB #EB519B #EBA151

monochromatic

#14ABAE #1AE1E5 #51E8EB #88EFF1 #BFF7F8

Accessibility & contrast

On white

1.49

#51E8EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.09

#51E8EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E8EB

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E8EB	#FFFFFF	#000000	##000000
##51E8EB	1.00	1.49	14.09	14.09
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.09	21.00	1.00	1.00
##000000	14.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9DDEC

Deuteranopia (green-blind)

#C1CCEC

Tritanopia (blue-blind)

#00F0E8

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #51e8eb;
/* rgb */ color: rgb(81, 232, 235);
/* oklch */ color: oklch(85.4% 0.125 197.0);

Tailwind

colors: {
  custom: {
    50: '#95f0f1',
    500: '#51e8eb',
    950: '#000000',
  },
}

SCSS

$custom: #51e8eb;
$custom-light: #95f0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#51e8eb",
  "rgb": {
    "r": 81,
    "g": 232,
    "b": 235
  },
  "hsl": {
    "h": 181.169,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.85393,
    "c": 0.12498,
    "h": 197
  },
  "luminance": 0.65461
}

Semantic roles & 50–950 ramp

primary

#51E8EB

secondary

#AE3432

accent

#0E0ADC

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1616

muted

#808585

Preview Lab

Preview with #51E8EB

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

Preview Lab → · Contrast checker → · Palette generator →