#51D1DD#51D1DD

#51D1DD is a light, moderate teal. Relative luminance 0.526; OKLCH L 79.5% C 0.112 H 203.9°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#51D1DD
RGB	rgb(81, 209, 221)
HSL	hsl(185, 67%, 59%)
HSV	hsv(185, 63%, 87%)
CMYK	cmyk(63.3%, 5.4%, 0%, 13.3%)
CIE-LAB	lab(77.62, -31.22, -16.37)
CIE-LCH	lch(77.62, 35.25, 207.66°)
OKLab	oklab(79.51% -0.1024 -0.0454)
OKLCH	oklch(79.51% 0.112 203.9)
XYZ	xyz(39.2394, 52.5665, 76.4710)
Luminance	0.5257 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D1DD #DD5D51

analogous

#51DDA3 #51D1DD #518BDD

triadic

#51D1DD #DD51D1 #D1DD51

tetradic

#51D1DD #A351DD #DD5D51 #8BDD51

square

#51D1DD #A351DD #DD5D51 #8BDD51

split-complementary

#51D1DD #DD518B #DDA351

monochromatic

#1D8C96 #27BCC9 #51D1DD #84DFE7 #B7ECF1

Accessibility & contrast

On white

1.82

#51D1DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.51

#51D1DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1DD

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D1DD	#FFFFFF	#000000	##000000
##51D1DD	1.00	1.82	11.51	11.51
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.51	21.00	1.00	1.00
##000000	11.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1C9DE

Deuteranopia (green-blind)

#ACB9DE

Tritanopia (blue-blind)

#00D9D4

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d1dd;
/* rgb */ color: rgb(81, 209, 221);
/* oklch */ color: oklch(79.5% 0.112 203.9);

Tailwind

colors: {
  custom: {
    50: '#92dfe7',
    500: '#51d1dd',
    950: '#000000',
  },
}

SCSS

$custom: #51d1dd;
$custom-light: #92dfe7;
$custom-dark: #000000;

JSON

{
  "hex": "#51d1dd",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 221
  },
  "hsl": {
    "h": 185.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79511,
    "c": 0.11196,
    "h": 203.9
  },
  "luminance": 0.52571
}

Semantic roles & 50–950 ramp

primary

#51D1DD

secondary

#9B4038

accent

#4C3EEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D1DD

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

Preview Lab → · Contrast checker → · Palette generator →