#51E6CC#51E6CC

#51E6CC is a very light, vivid teal. Relative luminance 0.627; OKLCH L 83.9% C 0.131 H 179.1°. Best body text is #000000 at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#51E6CC
RGB	rgb(81, 230, 204)
HSL	hsl(170, 75%, 61%)
HSV	hsv(170, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 11.3%, 9.8%)
CIE-LAB	lab(83.28, -45.35, 1.09)
CIE-LCH	lch(83.28, 45.36, 178.62°)
OKLab	oklab(83.95% -0.1309 0.0022)
OKLCH	oklch(83.95% 0.131 179.1)
XYZ	xyz(42.5840, 62.6979, 66.9727)
Luminance	0.6270 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E6CC #E6516B

analogous

#51E681 #51E6CC #51B5E6

triadic

#51E6CC #CC51E6 #E6CC51

tetradic

#51E6CC #8151E6 #E6516B #B5E651

square

#51E6CC #8151E6 #E6516B #B5E651

split-complementary

#51E6CC #E651B5 #E68151

monochromatic

#18A58C #1FDABA #51E6CC #87EEDC #BCF5EB

Accessibility & contrast

On white

1.55

#51E6CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.54

#51E6CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E6CC

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E6CC	#FFFFFF	#000000	##000000
##51E6CC	1.00	1.55	13.54	13.54
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.54	21.00	1.00	1.00
##000000	13.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDD9CB

Deuteranopia (green-blind)

#C7C9CE

Tritanopia (blue-blind)

#00EADE

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #51e6cc;
/* rgb */ color: rgb(81, 230, 204);
/* oklch */ color: oklch(83.9% 0.131 179.1);

Tailwind

colors: {
  custom: {
    50: '#93eedb',
    500: '#51e6cc',
    950: '#000000',
  },
}

SCSS

$custom: #51e6cc;
$custom-light: #93eedb;
$custom-dark: #000000;

JSON

{
  "hex": "#51e6cc",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 204
  },
  "hsl": {
    "h": 169.53,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.83945,
    "c": 0.1309,
    "h": 179.1
  },
  "luminance": 0.62703
}

Semantic roles & 50–950 ramp

primary

#51E6CC

secondary

#A73448

accent

#0E31D7

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1615

muted

#7F8584

Preview Lab

Preview with #51E6CC

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

Preview Lab → · Contrast checker → · Palette generator →