#51E6DF#51E6DF

#51E6DF is a very light, vivid teal. Relative luminance 0.637; OKLCH L 84.5% C 0.125 H 190.6°. Best body text is #000000 at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#51E6DF
RGB	rgb(81, 230, 223)
HSL	hsl(177, 75%, 61%)
HSV	hsv(177, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 3%, 9.8%)
CIE-LAB	lab(83.79, -40.43, -8.20)
CIE-LCH	lch(83.79, 41.25, 191.47°)
OKLab	oklab(84.53% -0.1226 -0.0229)
OKLCH	oklch(84.53% 0.125 190.6)
XYZ	xyz(45.0034, 63.6656, 79.7147)
Luminance	0.6367 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E6DF #E65158

analogous

#51E694 #51E6DF #51A2E6

triadic

#51E6DF #DF51E6 #E6DF51

tetradic

#51E6DF #9451E6 #E65158 #A2E651

square

#51E6DF #9451E6 #E65158 #A2E651

split-complementary

#51E6DF #E651A2 #E69451

monochromatic

#18A59E #1FDAD2 #51E6DF #87EEE9 #BCF5F3

Accessibility & contrast

On white

1.53

#51E6DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.73

#51E6DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E6DF

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E6DF	#FFFFFF	#000000	##000000
##51E6DF	1.00	1.53	13.73	13.73
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.73	21.00	1.00	1.00
##000000	13.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9DBDF

Deuteranopia (green-blind)

#C3CAE0

Tritanopia (blue-blind)

#00ECE3

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #51e6df;
/* rgb */ color: rgb(81, 230, 223);
/* oklch */ color: oklch(84.5% 0.125 190.6);

Tailwind

colors: {
  custom: {
    50: '#94eee8',
    500: '#51e6df',
    950: '#000000',
  },
}

SCSS

$custom: #51e6df;
$custom-light: #94eee8;
$custom-dark: #000000;

JSON

{
  "hex": "#51e6df",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 223
  },
  "hsl": {
    "h": 177.181,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.84526,
    "c": 0.12473,
    "h": 190.6
  },
  "luminance": 0.63671
}

Semantic roles & 50–950 ramp

primary

#51E6DF

secondary

#A7343A

accent

#0E18D7

background

#FCFFFE

surface

#F5FEFC

border

#CFD6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #51E6DF

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

Preview Lab → · Contrast checker → · Palette generator →