#51E2EE#51E2EE

#51E2EE is a very light, vivid teal. Relative luminance 0.623; OKLCH L 84.1% C 0.122 H 203.0°. Best body text is #000000 at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#51E2EE
RGB	rgb(81, 226, 238)
HSL	hsl(185, 82%, 63%)
HSV	hsv(185, 66%, 93%)
CMYK	cmyk(66%, 5%, 0%, 6.7%)
CIE-LAB	lab(83.08, -34.45, -17.20)
CIE-LCH	lch(83.08, 38.51, 206.53°)
OKLab	oklab(84.1% -0.1124 -0.0477)
OKLCH	oklch(84.1% 0.122 203)
XYZ	xyz(46.0156, 62.3099, 90.4742)
Luminance	0.6231 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E2EE #EE5D51

analogous

#51EEAB #51E2EE #5193EE

triadic

#51E2EE #EE51E2 #E2EE51

tetradic

#51E2EE #AB51EE #EE5D51 #93EE51

square

#51E2EE #AB51EE #EE5D51 #93EE51

split-complementary

#51E2EE #EE5193 #EEAB51

monochromatic

#11A7B3 #19D9E9 #51E2EE #89EBF3 #C1F5F9

Accessibility & contrast

On white

1.56

#51E2EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.46

#51E2EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E2EE

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E2EE	#FFFFFF	#000000	##000000
##51E2EE	1.00	1.56	13.46	13.46
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.46	21.00	1.00	1.00
##000000	13.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1D9EF

Deuteranopia (green-blind)

#BAC8EF

Tritanopia (blue-blind)

#00EBE5

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #51e2ee;
/* rgb */ color: rgb(81, 226, 238);
/* oklch */ color: oklch(84.1% 0.122 203.0);

Tailwind

colors: {
  custom: {
    50: '#95ebf3',
    500: '#51e2ee',
    950: '#000000',
  },
}

SCSS

$custom: #51e2ee;
$custom-light: #95ebf3;
$custom-dark: #000000;

JSON

{
  "hex": "#51e2ee",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 238
  },
  "hsl": {
    "h": 184.586,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.84096,
    "c": 0.12212,
    "h": 203
  },
  "luminance": 0.62315
}

Semantic roles & 50–950 ramp

primary

#51E2EE

secondary

#B33A30

accent

#1707DF

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51E2EE

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

Preview Lab → · Contrast checker → · Palette generator →