#51D8DD#51D8DD

#51D8DD is a light, moderate teal. Relative luminance 0.561; OKLCH L 81.2% C 0.115 H 198.6°. Best body text is #000000 at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#51D8DD
RGB	rgb(81, 216, 221)
HSL	hsl(182, 67%, 59%)
HSV	hsv(182, 63%, 87%)
CMYK	cmyk(63.3%, 2.3%, 0%, 13.3%)
CIE-LAB	lab(79.66, -34.54, -13.30)
CIE-LCH	lch(79.66, 37.02, 201.06°)
OKLab	oklab(81.16% -0.1094 -0.0369)
OKLCH	oklch(81.16% 0.115 198.6)
XYZ	xyz(40.9947, 56.0770, 77.0560)
Luminance	0.5608 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8DD #DD5651

analogous

#51DD9C #51D8DD #5192DD

triadic

#51D8DD #DD51D8 #D8DD51

tetradic

#51D8DD #9C51DD #DD5651 #92DD51

square

#51D8DD #9C51DD #DD5651 #92DD51

split-complementary

#51D8DD #DD5192 #DD9C51

monochromatic

#1D9296 #27C4C9 #51D8DD #84E3E7 #B7EFF1

Accessibility & contrast

On white

1.72

#51D8DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.22

#51D8DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8DD

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8DD	#FFFFFF	#000000	##000000
##51D8DD	1.00	1.72	12.22	12.22
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.22	21.00	1.00	1.00
##000000	12.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9CFDE

Deuteranopia (green-blind)

#B4BFDE

Tritanopia (blue-blind)

#00DFD9

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51d8dd;
/* rgb */ color: rgb(81, 216, 221);
/* oklch */ color: oklch(81.2% 0.115 198.6);

Tailwind

colors: {
  custom: {
    50: '#92e4e7',
    500: '#51d8dd',
    950: '#000000',
  },
}

SCSS

$custom: #51d8dd;
$custom-light: #92e4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8dd",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 221
  },
  "hsl": {
    "h": 182.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81158,
    "c": 0.11548,
    "h": 198.6
  },
  "luminance": 0.56082
}

Semantic roles & 50–950 ramp

primary

#51D8DD

secondary

#9B3B38

accent

#443EEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D8DD

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

Preview Lab → · Contrast checker → · Palette generator →