#51D8CD#51D8CD

#51D8CD is a light, moderate teal. Relative luminance 0.553; OKLCH L 80.6% C 0.117 H 187.5°. Best body text is #000000 at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#51D8CD
RGB	rgb(81, 216, 205)
HSL	hsl(175, 63%, 58%)
HSV	hsv(175, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 5.1%, 15.3%)
CIE-LAB	lab(79.19, -38.89, -5.44)
CIE-LCH	lch(79.19, 39.27, 187.97°)
OKLab	oklab(80.63% -0.1163 -0.0153)
OKLCH	oklch(80.63% 0.117 187.5)
XYZ	xyz(38.9637, 55.2646, 66.3595)
Luminance	0.5527 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8CD #D8515C

analogous

#51D889 #51D8CD #519FD8

triadic

#51D8CD #CD51D8 #D8CD51

tetradic

#51D8CD #8951D8 #D8515C #9FD851

square

#51D8CD #8951D8 #D8515C #9FD851

split-complementary

#51D8CD #D8519F #D88951

monochromatic

#208F86 #2BC1B4 #51D8CD #83E3DB #B5EEEA

Accessibility & contrast

On white

1.74

#51D8CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.05

#51D8CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8CD

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8CD	#FFFFFF	#000000	##000000
##51D8CD	1.00	1.74	12.05	12.05
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.05	21.00	1.00	1.00
##000000	12.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDCDCD

Deuteranopia (green-blind)

#B8BECE

Tritanopia (blue-blind)

#00DDD4

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51d8cd;
/* rgb */ color: rgb(81, 216, 205);
/* oklch */ color: oklch(80.6% 0.117 187.5);

Tailwind

colors: {
  custom: {
    50: '#91e4dc',
    500: '#51d8cd',
    950: '#000000',
  },
}

SCSS

$custom: #51d8cd;
$custom-light: #91e4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8cd",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 205
  },
  "hsl": {
    "h": 175.111,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.80628,
    "c": 0.11727,
    "h": 187.5
  },
  "luminance": 0.55269
}

Semantic roles & 50–950 ramp

primary

#51D8CD

secondary

#943940

accent

#414FE6

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51D8CD

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

Preview Lab → · Contrast checker → · Palette generator →