#51D3DB#51D3DB

#51D3DB is a light, moderate teal. Relative luminance 0.535; OKLCH L 79.9% C 0.113 H 200.9°. Best body text is #000000 at 11.69:1 contrast (WCAG AA passes).

Color values

HEX#51D3DB
RGBrgb(81, 211, 219)
HSLhsl(183, 66%, 59%)
HSVhsv(183, 63%, 86%)
CMYKcmyk(63%, 3.7%, 0%, 14.1%)
CIE-LABlab(78.14, -32.74, -14.51)
CIE-LCHlch(78.14, 35.81, 203.90°)
OKLaboklab(79.91% -0.1052 -0.0402)
OKLCHoklch(79.91% 0.113 200.9)
XYZxyz(39.4683, 53.4480, 75.2406)
Luminance0.5345 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D3DB #DB5951
analogous
#51DB9E #51D3DB #518EDB
triadic
#51D3DB #DB51D3 #D3DB51
tetradic
#51D3DB #9E51DB #DB5951 #8EDB51
square
#51D3DB #9E51DB #DB5951 #8EDB51
split-complementary
#51D3DB #DB518E #DB9E51
monochromatic
#1E8C93 #29BDC6 #51D3DB #84E0E5 #B6EDF0

Accessibility & contrast

On white

1.80
#51D3DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.69
#51D3DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3DB
11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D3DB#FFFFFF#000000##000000
##51D3DB1.001.8011.6911.69
#FFFFFF1.801.0021.0021.00
#00000011.6921.001.001.00
##00000011.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#C4CADC
Deuteranopia (green-blind)
#AFBBDC
Tritanopia (blue-blind)
#00DAD5
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #51d3db;
/* rgb */ color: rgb(81, 211, 219);
/* oklch */ color: oklch(79.9% 0.113 200.9);
Tailwind
colors: {
  custom: {
    50: '#92e1e6',
    500: '#51d3db',
    950: '#000000',
  },
}
SCSS
$custom: #51d3db;
$custom-light: #92e1e6;
$custom-dark: #000000;
JSON
{
  "hex": "#51d3db",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 219
  },
  "hsl": {
    "h": 183.478,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.7991,
    "c": 0.11263,
    "h": 200.9
  },
  "luminance": 0.53452
}

Semantic roles & 50–950 ramp

primary
#51D3DB
secondary
#983E38
accent
#493FE9
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1515
muted
#7F8484

Preview Lab

Preview with #51D3DB

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

Preview Lab → · Contrast checker → · Palette generator →

#51D3DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva