#51E8E4#51E8E4

#51E8E4 is a very light, vivid teal. Relative luminance 0.651; OKLCH L 85.2% C 0.125 H 192.5°. Best body text is #000000 at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#51E8E4
RGB	rgb(81, 232, 228)
HSL	hsl(178, 77%, 61%)
HSV	hsv(178, 65%, 91%)
CMYK	cmyk(65.1%, 0%, 1.7%, 9%)
CIE-LAB	lab(84.51, -39.98, -9.77)
CIE-LCH	lch(84.51, 41.16, 193.73°)
OKLab	oklab(85.16% -0.1225 -0.0272)
OKLCH	oklch(85.16% 0.125 192.5)
XYZ	xyz(46.2472, 65.0588, 83.5040)
Luminance	0.6506 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E8E4 #E85155

analogous

#51E899 #51E8E4 #51A1E8

triadic

#51E8E4 #E451E8 #E8E451

tetradic

#51E8E4 #9951E8 #E85155 #A1E851

square

#51E8E4 #9951E8 #E85155 #A1E851

split-complementary

#51E8E4 #E851A1 #E89951

monochromatic

#16A8A4 #1DDED9 #51E8E4 #87EFEC #BDF6F5

Accessibility & contrast

On white

1.50

#51E8E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.01

#51E8E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E8E4

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E8E4	#FFFFFF	#000000	##000000
##51E8E4	1.00	1.50	14.01	14.01
#FFFFFF	1.50	1.00	21.00	21.00
#000000	14.01	21.00	1.00	1.00
##000000	14.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DADDE4

Deuteranopia (green-blind)

#C3CCE5

Tritanopia (blue-blind)

#00EFE6

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #51e8e4;
/* rgb */ color: rgb(81, 232, 228);
/* oklch */ color: oklch(85.2% 0.125 192.5);

Tailwind

colors: {
  custom: {
    50: '#94f0ec',
    500: '#51e8e4',
    950: '#000000',
  },
}

SCSS

$custom: #51e8e4;
$custom-light: #94f0ec;
$custom-dark: #000000;

JSON

{
  "hex": "#51e8e4",
  "rgb": {
    "r": 81,
    "g": 232,
    "b": 228
  },
  "hsl": {
    "h": 178.411,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.8516,
    "c": 0.12545,
    "h": 192.5
  },
  "luminance": 0.65064
}

Semantic roles & 50–950 ramp

primary

#51E8E4

secondary

#AA3336

accent

#0D12D9

background

#FCFFFE

surface

#F5FEFD

border

#CFD6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #51E8E4

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

Preview Lab → · Contrast checker → · Palette generator →