#51EECF#51EECF

#51EECF is a very light, vivid teal. Relative luminance 0.674; OKLCH L 85.9% C 0.138 H 177.0°. Best body text is #000000 at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#51EECF
RGB	rgb(81, 238, 207)
HSL	hsl(168, 82%, 63%)
HSV	hsv(168, 66%, 93%)
CMYK	cmyk(66%, 0%, 13%, 6.7%)
CIE-LAB	lab(85.70, -48.04, 3.03)
CIE-LCH	lch(85.70, 48.13, 176.39°)
OKLab	oklab(85.94% -0.1375 0.0073)
OKLCH	oklch(85.94% 0.138 177)
XYZ	xyz(45.2249, 67.3983, 69.6451)
Luminance	0.6740 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EECF #EE5170

analogous

#51EE81 #51EECF #51BEEE

triadic

#51EECF #CF51EE #EECF51

tetradic

#51EECF #8151EE #EE5170 #BEEE51

square

#51EECF #8151EE #EE5170 #BEEE51

split-complementary

#51EECF #EE51BE #EE8151

monochromatic

#11B393 #19E9C0 #51EECF #89F3DE #C1F9EE

Accessibility & contrast

On white

1.45

#51EECF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.48

#51EECF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EECF

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EECF	#FFFFFF	#000000	##000000
##51EECF	1.00	1.45	14.48	14.48
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.48	21.00	1.00	1.00
##000000	14.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5E0CE

Deuteranopia (green-blind)

#CFD0D1

Tritanopia (blue-blind)

#00F1E5

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #51eecf;
/* rgb */ color: rgb(81, 238, 207);
/* oklch */ color: oklch(85.9% 0.138 177.0);

Tailwind

colors: {
  custom: {
    50: '#94f4dd',
    500: '#51eecf',
    950: '#000000',
  },
}

SCSS

$custom: #51eecf;
$custom-light: #94f4dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51eecf",
  "rgb": {
    "r": 81,
    "g": 238,
    "b": 207
  },
  "hsl": {
    "h": 168.153,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.85943,
    "c": 0.13771,
    "h": 177
  },
  "luminance": 0.67403
}

Semantic roles & 50–950 ramp

primary

#51EECF

secondary

#B3304A

accent

#0731DF

background

#FCFFFE

surface

#F5FEFC

border

#CFD6D5

text

#0F1715

muted

#808584

Preview Lab

Preview with #51EECF

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

Preview Lab → · Contrast checker → · Palette generator →