#51CFBB#51CFBB

#51CFBB is a light, moderate teal. Relative luminance 0.500; OKLCH L 77.9% C 0.115 H 180.9°. Best body text is #000000 at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#51CFBB
RGB	rgb(81, 207, 187)
HSL	hsl(170, 57%, 56%)
HSV	hsv(170, 61%, 81%)
CMYK	cmyk(60.9%, 0%, 9.7%, 18.8%)
CIE-LAB	lab(76.04, -39.48, -0.41)
CIE-LCH	lch(76.04, 39.49, 180.60°)
OKLab	oklab(77.91% -0.1149 -0.0017)
OKLCH	oklch(77.91% 0.115 180.9)
XYZ	xyz(34.6717, 49.9592, 54.8199)
Luminance	0.4996 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CFBB #CF5165

analogous

#51CF7C #51CFBB #51A4CF

triadic

#51CFBB #BB51CF #CFBB51

tetradic

#51CFBB #7C51CF #CF5165 #A4CF51

square

#51CFBB #7C51CF #CF5165 #A4CF51

split-complementary

#51CFBB #CF51A4 #CF7C51

monochromatic

#248273 #31B29D #51CFBB #81DCCE #B1E9E0

Accessibility & contrast

On white

1.91

#51CFBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.99

#51CFBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CFBB

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CFBB	#FFFFFF	#000000	##000000
##51CFBB	1.00	1.91	10.99	10.99
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.99	21.00	1.00	1.00
##000000	10.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6C4BA

Deuteranopia (green-blind)

#B4B6BD

Tritanopia (blue-blind)

#00D2C9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51cfbb;
/* rgb */ color: rgb(81, 207, 187);
/* oklch */ color: oklch(77.9% 0.115 180.9);

Tailwind

colors: {
  custom: {
    50: '#8fdecf',
    500: '#51cfbb',
    950: '#000000',
  },
}

SCSS

$custom: #51cfbb;
$custom-light: #8fdecf;
$custom-dark: #000000;

JSON

{
  "hex": "#51cfbb",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 187
  },
  "hsl": {
    "h": 170.476,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.77909,
    "c": 0.11488,
    "h": 180.9
  },
  "luminance": 0.49963
}

Semantic roles & 50–950 ramp

primary

#51CFBB

secondary

#D8A4AC

accent

#4860E0

background

#F9FDFC

surface

#F2FBF9

border

#CCD4D2

text

#0E1513

muted

#7E8382

Preview Lab

Preview with #51CFBB

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

Preview Lab → · Contrast checker → · Palette generator →