#51E5EB#51E5EB

#51E5EB is a very light, vivid teal. Relative luminance 0.638; OKLCH L 84.7% C 0.123 H 199.0°. Best body text is #000000 at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#51E5EB
RGB	rgb(81, 229, 235)
HSL	hsl(182, 79%, 62%)
HSV	hsv(182, 66%, 92%)
CMYK	cmyk(65.5%, 2.6%, 0%, 7.8%)
CIE-LAB	lab(83.85, -36.69, -14.45)
CIE-LCH	lch(83.85, 39.44, 201.50°)
OKLab	oklab(84.69% -0.1166 -0.0401)
OKLCH	oklch(84.69% 0.123 199)
XYZ	xyz(46.4014, 63.7809, 88.4466)
Luminance	0.6379 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E5EB #EB5751

analogous

#51EBA4 #51E5EB #5198EB

triadic

#51E5EB #EB51E5 #E5EB51

tetradic

#51E5EB #A451EB #EB5751 #98EB51

square

#51E5EB #A451EB #EB5751 #98EB51

split-complementary

#51E5EB #EB5198 #EBA451

monochromatic

#14A8AE #1ADDE5 #51E5EB #88EDF1 #BFF5F8

Accessibility & contrast

On white

1.53

#51E5EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.76

#51E5EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E5EB

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E5EB	#FFFFFF	#000000	##000000
##51E5EB	1.00	1.53	13.76	13.76
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.76	21.00	1.00	1.00
##000000	13.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5DBEC

Deuteranopia (green-blind)

#BECAEC

Tritanopia (blue-blind)

#00EDE6

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #51e5eb;
/* rgb */ color: rgb(81, 229, 235);
/* oklch */ color: oklch(84.7% 0.123 199.0);

Tailwind

colors: {
  custom: {
    50: '#95edf1',
    500: '#51e5eb',
    950: '#000000',
  },
}

SCSS

$custom: #51e5eb;
$custom-light: #95edf1;
$custom-dark: #000000;

JSON

{
  "hex": "#51e5eb",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 235
  },
  "hsl": {
    "h": 182.338,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.84691,
    "c": 0.12329,
    "h": 199
  },
  "luminance": 0.63786
}

Semantic roles & 50–950 ramp

primary

#51E5EB

secondary

#AE3732

accent

#120ADC

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1616

muted

#808585

Preview Lab

Preview with #51E5EB

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

Preview Lab → · Contrast checker → · Palette generator →