#51E5E8#51E5E8

#51E5E8 is a very light, vivid teal. Relative luminance 0.636; OKLCH L 84.6% C 0.123 H 197.0°. Best body text is #000000 at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#51E5E8
RGB	rgb(81, 229, 232)
HSL	hsl(181, 77%, 61%)
HSV	hsv(181, 65%, 91%)
CMYK	cmyk(65.1%, 1.3%, 0%, 9%)
CIE-LAB	lab(83.76, -37.52, -13.00)
CIE-LCH	lch(83.76, 39.71, 199.11°)
OKLab	oklab(84.59% -0.1178 -0.0361)
OKLCH	oklch(84.59% 0.123 197)
XYZ	xyz(45.9717, 63.6090, 86.1832)
Luminance	0.6361 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E5E8 #E85451

analogous

#51E8A0 #51E5E8 #519AE8

triadic

#51E5E8 #E851E5 #E5E851

tetradic

#51E5E8 #A051E8 #E85451 #9AE851

square

#51E5E8 #A051E8 #E85451 #9AE851

split-complementary

#51E5E8 #E8519A #E8A051

monochromatic

#16A5A8 #1DDBDE #51E5E8 #87EDEF #BDF5F6

Accessibility & contrast

On white

1.53

#51E5E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.72

#51E5E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E5E8

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E5E8	#FFFFFF	#000000	##000000
##51E5E8	1.00	1.53	13.72	13.72
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.72	21.00	1.00	1.00
##000000	13.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6DBE8

Deuteranopia (green-blind)

#BFCAE9

Tritanopia (blue-blind)

#00ECE5

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #51e5e8;
/* rgb */ color: rgb(81, 229, 232);
/* oklch */ color: oklch(84.6% 0.123 197.0);

Tailwind

colors: {
  custom: {
    50: '#94edef',
    500: '#51e5e8',
    950: '#000000',
  },
}

SCSS

$custom: #51e5e8;
$custom-light: #94edef;
$custom-dark: #000000;

JSON

{
  "hex": "#51e5e8",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 232
  },
  "hsl": {
    "h": 181.192,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.84589,
    "c": 0.12323,
    "h": 197
  },
  "luminance": 0.63614
}

Semantic roles & 50–950 ramp

primary

#51E5E8

secondary

#AA3633

accent

#110DD9

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1616

muted

#808585

Preview Lab

Preview with #51E5E8

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

Preview Lab → · Contrast checker → · Palette generator →