#51E5EA#51E5EA

#51E5EA is a very light, vivid teal. Relative luminance 0.637; OKLCH L 84.7% C 0.123 H 198.3°. Best body text is #000000 at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#51E5EA
RGB	rgb(81, 229, 234)
HSL	hsl(182, 78%, 62%)
HSV	hsv(182, 65%, 92%)
CMYK	cmyk(65.4%, 2.1%, 0%, 8.2%)
CIE-LAB	lab(83.82, -36.97, -13.97)
CIE-LCH	lch(83.82, 39.52, 200.70°)
OKLab	oklab(84.66% -0.117 -0.0387)
OKLCH	oklch(84.66% 0.123 198.3)
XYZ	xyz(46.2574, 63.7233, 87.6879)
Luminance	0.6373 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E5EA #EA5651

analogous

#51EAA3 #51E5EA #5199EA

triadic

#51E5EA #EA51E5 #E5EA51

tetradic

#51E5EA #A351EA #EA5651 #99EA51

square

#51E5EA #A351EA #EA5651 #99EA51

split-complementary

#51E5EA #EA5199 #EAA351

monochromatic

#15A7AC #1BDCE2 #51E5EA #88EDF1 #BEF5F7

Accessibility & contrast

On white

1.53

#51E5EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.75

#51E5EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E5EA

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E5EA	#FFFFFF	#000000	##000000
##51E5EA	1.00	1.53	13.75	13.75
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.75	21.00	1.00	1.00
##000000	13.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5DBEB

Deuteranopia (green-blind)

#BECAEB

Tritanopia (blue-blind)

#00EDE6

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #51e5ea;
/* rgb */ color: rgb(81, 229, 234);
/* oklch */ color: oklch(84.7% 0.123 198.3);

Tailwind

colors: {
  custom: {
    50: '#95edf0',
    500: '#51e5ea',
    950: '#000000',
  },
}

SCSS

$custom: #51e5ea;
$custom-light: #95edf0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e5ea",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 234
  },
  "hsl": {
    "h": 181.961,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.84657,
    "c": 0.12325,
    "h": 198.3
  },
  "luminance": 0.63728
}

Semantic roles & 50–950 ramp

primary

#51E5EA

secondary

#AD3632

accent

#120BDB

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1616

muted

#808585

Preview Lab

Preview with #51E5EA

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

Preview Lab → · Contrast checker → · Palette generator →