#51D1BC#51D1BC

#51D1BC is a light, moderate teal. Relative luminance 0.510; OKLCH L 78.4% C 0.117 H 180.4°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#51D1BC
RGB	rgb(81, 209, 188)
HSL	hsl(170, 58%, 57%)
HSV	hsv(170, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 10%, 18%)
CIE-LAB	lab(76.67, -40.13, -0.04)
CIE-LCH	lch(76.67, 40.13, 180.06°)
OKLab	oklab(78.42% -0.1165 -0.0008)
OKLCH	oklch(78.42% 0.117 180.4)
XYZ	xyz(35.2667, 50.9774, 55.5482)
Luminance	0.5098 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D1BC #D15166

analogous

#51D17C #51D1BC #51A6D1

triadic

#51D1BC #BC51D1 #D1BC51

tetradic

#51D1BC #7C51D1 #D15166 #A6D151

square

#51D1BC #7C51D1 #D15166 #A6D151

split-complementary

#51D1BC #D151A6 #D17C51

monochromatic

#238575 #30B59F #51D1BC #81DECF #B2EBE1

Accessibility & contrast

On white

1.88

#51D1BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#51D1BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1BC

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D1BC	#FFFFFF	#000000	##000000
##51D1BC	1.00	1.88	11.20	11.20
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8C5BB

Deuteranopia (green-blind)

#B5B7BE

Tritanopia (blue-blind)

#00D4CB

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d1bc;
/* rgb */ color: rgb(81, 209, 188);
/* oklch */ color: oklch(78.4% 0.117 180.4);

Tailwind

colors: {
  custom: {
    50: '#8fdfd0',
    500: '#51d1bc',
    950: '#000000',
  },
}

SCSS

$custom: #51d1bc;
$custom-light: #8fdfd0;
$custom-dark: #000000;

JSON

{
  "hex": "#51d1bc",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 188
  },
  "hsl": {
    "h": 170.156,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.78423,
    "c": 0.11652,
    "h": 180.4
  },
  "luminance": 0.50981
}

Semantic roles & 50–950 ramp

primary

#51D1BC

secondary

#8B3B48

accent

#4660E1

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1513

muted

#7F8483

Preview Lab

Preview with #51D1BC

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

Preview Lab → · Contrast checker → · Palette generator →