#51E4EB#51E4EB

#51E4EB is a very light, vivid teal. Relative luminance 0.632; OKLCH L 84.5% C 0.123 H 199.7°. Best body text is #000000 at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#51E4EB
RGB	rgb(81, 228, 235)
HSL	hsl(183, 79%, 62%)
HSV	hsv(183, 66%, 92%)
CMYK	cmyk(65.5%, 3%, 0%, 7.8%)
CIE-LAB	lab(83.56, -36.23, -14.89)
CIE-LCH	lch(83.56, 39.17, 202.34°)
OKLab	oklab(84.46% -0.1156 -0.0413)
OKLCH	oklch(84.46% 0.123 199.7)
XYZ	xyz(46.1256, 63.2291, 88.3547)
Luminance	0.6323 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E4EB #EB5851

analogous

#51EBA5 #51E4EB #5197EB

triadic

#51E4EB #EB51E4 #E4EB51

tetradic

#51E4EB #A551EB #EB5851 #97EB51

square

#51E4EB #A551EB #EB5851 #97EB51

split-complementary

#51E4EB #EB5197 #EBA551

monochromatic

#14A7AE #1ADBE5 #51E4EB #88EDF1 #BFF5F8

Accessibility & contrast

On white

1.54

#51E4EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.65

#51E4EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E4EB

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E4EB	#FFFFFF	#000000	##000000
##51E4EB	1.00	1.54	13.65	13.65
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.65	21.00	1.00	1.00
##000000	13.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4DAEC

Deuteranopia (green-blind)

#BDC9EC

Tritanopia (blue-blind)

#00ECE6

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51e4eb;
/* rgb */ color: rgb(81, 228, 235);
/* oklch */ color: oklch(84.5% 0.123 199.7);

Tailwind

colors: {
  custom: {
    50: '#95edf1',
    500: '#51e4eb',
    950: '#000000',
  },
}

SCSS

$custom: #51e4eb;
$custom-light: #95edf1;
$custom-dark: #000000;

JSON

{
  "hex": "#51e4eb",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 235
  },
  "hsl": {
    "h": 182.727,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.84458,
    "c": 0.12275,
    "h": 199.7
  },
  "luminance": 0.63234
}

Semantic roles & 50–950 ramp

primary

#51E4EB

secondary

#AE3732

accent

#130ADC

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1616

muted

#808585

Preview Lab

Preview with #51E4EB

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

Preview Lab → · Contrast checker → · Palette generator →