#51CFCB#51CFCB

#51CFCB is a light, moderate teal. Relative luminance 0.507; OKLCH L 78.4% C 0.110 H 192.2°. Best body text is #000000 at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#51CFCB
RGB	rgb(81, 207, 203)
HSL	hsl(178, 57%, 56%)
HSV	hsv(178, 61%, 81%)
CMYK	cmyk(60.9%, 0%, 1.9%, 18.8%)
CIE-LAB	lab(76.49, -35.28, -8.38)
CIE-LCH	lch(76.49, 36.26, 193.36°)
OKLab	oklab(78.42% -0.1078 -0.0233)
OKLCH	oklch(78.42% 0.11 192.2)
XYZ	xyz(36.4809, 50.6829, 64.3485)
Luminance	0.5069 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CFCB #CF5155

analogous

#51CF8C #51CFCB #5194CF

triadic

#51CFCB #CB51CF #CFCB51

tetradic

#51CFCB #8C51CF #CF5155 #94CF51

square

#51CFCB #8C51CF #CF5155 #94CF51

split-complementary

#51CFCB #CF5194 #CF8C51

monochromatic

#24827F #31B2AE #51CFCB #81DCD9 #B1E9E8

Accessibility & contrast

On white

1.89

#51CFCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.14

#51CFCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CFCB

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CFCB	#FFFFFF	#000000	##000000
##51CFCB	1.00	1.89	11.14	11.14
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.14	21.00	1.00	1.00
##000000	11.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3C5CB

Deuteranopia (green-blind)

#AFB7CC

Tritanopia (blue-blind)

#00D5CD

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51cfcb;
/* rgb */ color: rgb(81, 207, 203);
/* oklch */ color: oklch(78.4% 0.110 192.2);

Tailwind

colors: {
  custom: {
    50: '#90deda',
    500: '#51cfcb',
    950: '#000000',
  },
}

SCSS

$custom: #51cfcb;
$custom-light: #90deda;
$custom-dark: #000000;

JSON

{
  "hex": "#51cfcb",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 203
  },
  "hsl": {
    "h": 178.095,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.78415,
    "c": 0.11034,
    "h": 192.2
  },
  "luminance": 0.50687
}

Semantic roles & 50–950 ramp

primary

#51CFCB

secondary

#893B3E

accent

#484DE0

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51CFCB

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

Preview Lab → · Contrast checker → · Palette generator →