#51D1CD#51D1CD

#51D1CD is a light, moderate teal. Relative luminance 0.518; OKLCH L 79.0% C 0.112 H 192.2°. Best body text is #000000 at 11.35:1 contrast (WCAG AA passes).

Color values

HEX#51D1CD
RGBrgb(81, 209, 205)
HSLhsl(178, 58%, 57%)
HSVhsv(178, 61%, 82%)
CMYKcmyk(61.2%, 0%, 1.9%, 18%)
CIE-LABlab(77.13, -35.67, -8.49)
CIE-LCHlch(77.13, 36.67, 193.39°)
OKLaboklab(78.96% -0.1091 -0.0236)
OKLCHoklch(78.96% 0.112 192.2)
XYZxyz(37.2084, 51.7541, 65.7744)
Luminance0.5176 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D1CD #D15155
analogous
#51D18D #51D1CD #5195D1
triadic
#51D1CD #CD51D1 #D1CD51
tetradic
#51D1CD #8D51D1 #D15155 #95D151
square
#51D1CD #8D51D1 #D15155 #95D151
split-complementary
#51D1CD #D15195 #D18D51
monochromatic
#238582 #30B5B1 #51D1CD #81DEDB #B2EBE9

Accessibility & contrast

On white

1.85
#51D1CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.35
#51D1CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1CD
11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D1CD#FFFFFF#000000##000000
##51D1CD1.001.8511.3511.35
#FFFFFF1.851.0021.0021.00
#00000011.3521.001.001.00
##00000011.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#C5C7CD
Deuteranopia (green-blind)
#B1B8CE
Tritanopia (blue-blind)
#00D7CF
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #51d1cd;
/* rgb */ color: rgb(81, 209, 205);
/* oklch */ color: oklch(79.0% 0.112 192.2);
Tailwind
colors: {
  custom: {
    50: '#90dfdc',
    500: '#51d1cd',
    950: '#000000',
  },
}
SCSS
$custom: #51d1cd;
$custom-light: #90dfdc;
$custom-dark: #000000;
JSON
{
  "hex": "#51d1cd",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 205
  },
  "hsl": {
    "h": 178.125,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.78958,
    "c": 0.11159,
    "h": 192.2
  },
  "luminance": 0.51758
}

Semantic roles & 50–950 ramp

primary
#51D1CD
secondary
#8B3B3D
accent
#464BE1
background
#FCFEFE
surface
#F5FCFB
border
#CFD5D4
text
#0E1515
muted
#7F8484

Preview Lab

Preview with #51D1CD

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

Preview Lab → · Contrast checker → · Palette generator →

#51D1CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva