#51D0DB#51D0DB

#51D0DB is a light, moderate teal. Relative luminance 0.520; OKLCH L 79.2% C 0.111 H 203.2°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX#51D0DB
RGBrgb(81, 208, 219)
HSLhsl(185, 66%, 59%)
HSVhsv(185, 63%, 86%)
CMYKcmyk(63%, 5%, 0%, 14.1%)
CIE-LABlab(77.26, -31.31, -15.83)
CIE-LCHlch(77.26, 35.09, 206.81°)
OKLaboklab(79.2% -0.1022 -0.0438)
OKLCHoklch(79.2% 0.111 203.2)
XYZxyz(38.7299, 51.9714, 74.9944)
Luminance0.5198 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D0DB #DB5C51
analogous
#51DBA1 #51D0DB #518BDB
triadic
#51D0DB #DB51D0 #D0DB51
tetradic
#51D0DB #A151DB #DB5C51 #8BDB51
square
#51D0DB #A151DB #DB5C51 #8BDB51
split-complementary
#51D0DB #DB518B #DBA151
monochromatic
#1E8A93 #29B9C6 #51D0DB #84DEE5 #B6EBF0

Accessibility & contrast

On white

1.84
#51D0DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.40
#51D0DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D0DB
11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D0DB#FFFFFF#000000##000000
##51D0DB1.001.8411.4011.40
#FFFFFF1.841.0021.0021.00
#00000011.4021.001.001.00
##00000011.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#C1C8DC
Deuteranopia (green-blind)
#ACB8DC
Tritanopia (blue-blind)
#00D8D3
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #51d0db;
/* rgb */ color: rgb(81, 208, 219);
/* oklch */ color: oklch(79.2% 0.111 203.2);
Tailwind
colors: {
  custom: {
    50: '#91dee6',
    500: '#51d0db',
    950: '#000000',
  },
}
SCSS
$custom: #51d0db;
$custom-light: #91dee6;
$custom-dark: #000000;
JSON
{
  "hex": "#51d0db",
  "rgb": {
    "r": 81,
    "g": 208,
    "b": 219
  },
  "hsl": {
    "h": 184.783,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79204,
    "c": 0.11117,
    "h": 203.2
  },
  "luminance": 0.51976
}

Semantic roles & 50–950 ramp

primary
#51D0DB
secondary
#984038
accent
#4D3FE9
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1515
muted
#7F8484

Preview Lab

Preview with #51D0DB

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

Preview Lab → · Contrast checker → · Palette generator →

#51D0DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva