#51C7CB#51C7CB

#51C7CB is a light, moderate teal. Relative luminance 0.469; OKLCH L 76.5% C 0.105 H 198.3°. Best body text is #000000 at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#51C7CB
RGB	rgb(81, 199, 203)
HSL	hsl(182, 54%, 56%)
HSV	hsv(182, 60%, 80%)
CMYK	cmyk(60.1%, 2%, 0%, 20.4%)
CIE-LAB	lab(74.13, -31.50, -11.89)
CIE-LCH	lch(74.13, 33.67, 200.69°)
OKLab	oklab(76.51% -0.0995 -0.0329)
OKLCH	oklch(76.51% 0.105 198.3)
XYZ	xyz(34.5916, 46.9044, 63.7188)
Luminance	0.4691 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C7CB #CB5551

analogous

#51CB92 #51C7CB #518ACB

triadic

#51C7CB #CB51C7 #C7CB51

tetradic

#51C7CB #9251CB #CB5551 #8ACB51

square

#51C7CB #9251CB #CB5551 #8ACB51

split-complementary

#51C7CB #CB518A #CB9251

monochromatic

#257A7C #33A8AC #51C7CB #80D6D9 #AFE5E7

Accessibility & contrast

On white

2.02

#51C7CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.38

#51C7CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C7CB

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C7CB	#FFFFFF	#000000	##000000
##51C7CB	1.00	2.02	10.38	10.38
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.38	21.00	1.00	1.00
##000000	10.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BABECB

Deuteranopia (green-blind)

#A7B0CC

Tritanopia (blue-blind)

#00CDC8

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51c7cb;
/* rgb */ color: rgb(81, 199, 203);
/* oklch */ color: oklch(76.5% 0.105 198.3);

Tailwind

colors: {
  custom: {
    50: '#8fd8da',
    500: '#51c7cb',
    950: '#000000',
  },
}

SCSS

$custom: #51c7cb;
$custom-light: #8fd8da;
$custom-dark: #000000;

JSON

{
  "hex": "#51c7cb",
  "rgb": {
    "r": 81,
    "g": 199,
    "b": 203
  },
  "hsl": {
    "h": 181.967,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.76508,
    "c": 0.10483,
    "h": 198.3
  },
  "luminance": 0.46908
}

Semantic roles & 50–950 ramp

primary

#51C7CB

secondary

#D5A4A3

accent

#4F4ADD

background

#F9FDFD

surface

#F2FAFA

border

#CCD3D3

text

#0E1414

muted

#7E8383

Preview Lab

Preview with #51C7CB

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

Preview Lab → · Contrast checker → · Palette generator →