#51E6CF#51E6CF

#51E6CF is a very light, vivid teal. Relative luminance 0.628; OKLCH L 84.0% C 0.130 H 180.8°. Best body text is #000000 at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#51E6CF
RGB	rgb(81, 230, 207)
HSL	hsl(171, 75%, 61%)
HSV	hsv(171, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 10%, 9.8%)
CIE-LAB	lab(83.36, -44.59, -0.38)
CIE-LCH	lch(83.36, 44.60, 180.49°)
OKLab	oklab(84.03% -0.1295 -0.0018)
OKLCH	oklch(84.03% 0.13 180.8)
XYZ	xyz(42.9473, 62.8432, 68.8859)
Luminance	0.6285 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E6CF #E65168

analogous

#51E684 #51E6CF #51B2E6

triadic

#51E6CF #CF51E6 #E6CF51

tetradic

#51E6CF #8451E6 #E65168 #B2E651

square

#51E6CF #8451E6 #E65168 #B2E651

split-complementary

#51E6CF #E651B2 #E68451

monochromatic

#18A58F #1FDABE #51E6CF #87EEDE #BCF5ED

Accessibility & contrast

On white

1.55

#51E6CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.57

#51E6CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E6CF

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E6CF	#FFFFFF	#000000	##000000
##51E6CF	1.00	1.55	13.57	13.57
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.57	21.00	1.00	1.00
##000000	13.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCD9CE

Deuteranopia (green-blind)

#C7C9D1

Tritanopia (blue-blind)

#00EADF

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51e6cf;
/* rgb */ color: rgb(81, 230, 207);
/* oklch */ color: oklch(84.0% 0.130 180.8);

Tailwind

colors: {
  custom: {
    50: '#93eedd',
    500: '#51e6cf',
    950: '#000000',
  },
}

SCSS

$custom: #51e6cf;
$custom-light: #93eedd;
$custom-dark: #000000;

JSON

{
  "hex": "#51e6cf",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 207
  },
  "hsl": {
    "h": 170.738,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.84032,
    "c": 0.12956,
    "h": 180.8
  },
  "luminance": 0.62848
}

Semantic roles & 50–950 ramp

primary

#51E6CF

secondary

#A73446

accent

#0E2DD7

background

#FCFFFE

surface

#F5FEFC

border

#CFD6D5

text

#0E1615

muted

#7F8584

Preview Lab

Preview with #51E6CF

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

Preview Lab → · Contrast checker → · Palette generator →