#51DDCD#51DDCD

#51DDCD is a light, vivid teal. Relative luminance 0.579; OKLCH L 81.8% C 0.122 H 184.5°. Best body text is #000000 at 12.57:1 contrast (WCAG AA passes).

Color values

HEX#51DDCD
RGBrgb(81, 221, 205)
HSLhsl(173, 67%, 59%)
HSVhsv(173, 63%, 87%)
CMYKcmyk(63.3%, 0%, 7.2%, 13.3%)
CIE-LABlab(80.66, -41.14, -3.27)
CIE-LCHlch(80.66, 41.27, 184.55°)
OKLaboklab(81.82% -0.1213 -0.0095)
OKLCHoklch(81.82% 0.122 184.5)
XYZxyz(40.2642, 57.8656, 66.7930)
Luminance0.5787 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DDCD #DD5161
analogous
#51DD87 #51DDCD #51A7DD
triadic
#51DDCD #CD51DD #DDCD51
tetradic
#51DDCD #8751DD #DD5161 #A7DD51
square
#51DDCD #8751DD #DD5161 #A7DD51
split-complementary
#51DDCD #DD51A7 #DD8751
monochromatic
#1D9688 #27C9B7 #51DDCD #84E7DC #B7F1EA

Accessibility & contrast

On white

1.67
#51DDCD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.57
#51DDCD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDCD
12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DDCD#FFFFFF#000000##000000
##51DDCD1.001.6712.5712.57
#FFFFFF1.671.0021.0021.00
#00000012.5721.001.001.00
##00000012.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#D3D1CC
Deuteranopia (green-blind)
#BEC2CF
Tritanopia (blue-blind)
#00E1D8
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #51ddcd;
/* rgb */ color: rgb(81, 221, 205);
/* oklch */ color: oklch(81.8% 0.122 184.5);
Tailwind
colors: {
  custom: {
    50: '#92e8dc',
    500: '#51ddcd',
    950: '#000000',
  },
}
SCSS
$custom: #51ddcd;
$custom-light: #92e8dc;
$custom-dark: #000000;
JSON
{
  "hex": "#51ddcd",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 205
  },
  "hsl": {
    "h": 173.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81822,
    "c": 0.12172,
    "h": 184.5
  },
  "luminance": 0.5787
}

Semantic roles & 50–950 ramp

primary
#51DDCD
secondary
#9B3843
accent
#3E51EA
background
#FCFEFE
surface
#F5FDFB
border
#CFD5D4
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #51DDCD

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

Preview Lab → · Contrast checker → · Palette generator →

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