#51EEE8#51EEE8

#51EEE8 is a very light, vivid teal. Relative luminance 0.687; OKLCH L 86.7% C 0.129 H 191.4°. Best body text is #000000 at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#51EEE8
RGB	rgb(81, 238, 232)
HSL	hsl(178, 82%, 63%)
HSV	hsv(178, 66%, 93%)
CMYK	cmyk(66%, 0%, 2.5%, 6.7%)
CIE-LAB	lab(86.36, -41.60, -9.12)
CIE-LCH	lch(86.36, 42.59, 192.37°)
OKLab	oklab(86.7% -0.1267 -0.0254)
OKLCH	oklch(86.7% 0.129 191.4)
XYZ	xyz(48.5267, 68.7191, 87.0349)
Luminance	0.6873 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EEE8 #EE5157

analogous

#51EE99 #51EEE8 #51A5EE

triadic

#51EEE8 #E851EE #EEE851

tetradic

#51EEE8 #9951EE #EE5157 #A5EE51

square

#51EEE8 #9951EE #EE5157 #A5EE51

split-complementary

#51EEE8 #EE51A5 #EE9951

monochromatic

#11B3AD #19E9E1 #51EEE8 #89F3EF #C1F9F7

Accessibility & contrast

On white

1.42

#51EEE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.75

#51EEE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EEE8

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EEE8	#FFFFFF	#000000	##000000
##51EEE8	1.00	1.42	14.75	14.75
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.75	21.00	1.00	1.00
##000000	14.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0E2E8

Deuteranopia (green-blind)

#C9D1E9

Tritanopia (blue-blind)

#00F4EC

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #51eee8;
/* rgb */ color: rgb(81, 238, 232);
/* oklch */ color: oklch(86.7% 0.129 191.4);

Tailwind

colors: {
  custom: {
    50: '#95f4ef',
    500: '#51eee8',
    950: '#000000',
  },
}

SCSS

$custom: #51eee8;
$custom-light: #95f4ef;
$custom-dark: #000000;

JSON

{
  "hex": "#51eee8",
  "rgb": {
    "r": 81,
    "g": 238,
    "b": 232
  },
  "hsl": {
    "h": 177.707,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.86699,
    "c": 0.1292,
    "h": 191.4
  },
  "luminance": 0.68725
}

Semantic roles & 50–950 ramp

primary

#51EEE8

secondary

#B33035

accent

#070FDF

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1716

muted

#808585

Preview Lab

Preview with #51EEE8

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

Preview Lab → · Contrast checker → · Palette generator →