#51D1DB#51D1DB

#51D1DB is a light, moderate teal. Relative luminance 0.525; OKLCH L 79.4% C 0.112 H 202.5°. Best body text is #000000 at 11.49:1 contrast (WCAG AA passes).

Color values

HEX#51D1DB
RGBrgb(81, 209, 219)
HSLhsl(184, 66%, 59%)
HSVhsv(184, 63%, 86%)
CMYKcmyk(63%, 4.6%, 0%, 14.1%)
CIE-LABlab(77.56, -31.79, -15.39)
CIE-LCHlch(77.56, 35.32, 205.83°)
OKLaboklab(79.44% -0.1032 -0.0426)
OKLCHoklch(79.44% 0.112 202.5)
XYZxyz(38.9745, 52.4605, 75.0760)
Luminance0.5246 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D1DB #DB5B51
analogous
#51DBA0 #51D1DB #518CDB
triadic
#51D1DB #DB51D1 #D1DB51
tetradic
#51D1DB #A051DB #DB5B51 #8CDB51
square
#51D1DB #A051DB #DB5B51 #8CDB51
split-complementary
#51D1DB #DB518C #DBA051
monochromatic
#1E8B93 #29BAC6 #51D1DB #84DEE5 #B6ECF0

Accessibility & contrast

On white

1.83
#51D1DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.49
#51D1DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1DB
11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D1DB#FFFFFF#000000##000000
##51D1DB1.001.8311.4911.49
#FFFFFF1.831.0021.0021.00
#00000011.4921.001.001.00
##00000011.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#C2C9DC
Deuteranopia (green-blind)
#ADB9DC
Tritanopia (blue-blind)
#00D9D4
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #51d1db;
/* rgb */ color: rgb(81, 209, 219);
/* oklch */ color: oklch(79.4% 0.112 202.5);
Tailwind
colors: {
  custom: {
    50: '#91dfe6',
    500: '#51d1db',
    950: '#000000',
  },
}
SCSS
$custom: #51d1db;
$custom-light: #91dfe6;
$custom-dark: #000000;
JSON
{
  "hex": "#51d1db",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 219
  },
  "hsl": {
    "h": 184.348,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79439,
    "c": 0.11164,
    "h": 202.5
  },
  "luminance": 0.52465
}

Semantic roles & 50–950 ramp

primary
#51D1DB
secondary
#983F38
accent
#4B3FE9
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1515
muted
#7F8484

Preview Lab

Preview with #51D1DB

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

Preview Lab → · Contrast checker → · Palette generator →

#51D1DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva