#51D4CF#51D4CF

#51D4CF is a light, moderate teal. Relative luminance 0.533; OKLCH L 79.7% C 0.114 H 191.6°. Best body text is #000000 at 11.67:1 contrast (WCAG AA passes).

Color values

HEX#51D4CF
RGBrgb(81, 212, 207)
HSLhsl(178, 60%, 57%)
HSVhsv(178, 62%, 83%)
CMYKcmyk(61.8%, 0%, 2.4%, 16.9%)
CIE-LABlab(78.07, -36.52, -8.17)
CIE-LCHlch(78.07, 37.42, 192.61°)
OKLaboklab(79.74% -0.1113 -0.0228)
OKLCHoklch(79.74% 0.114 191.6)
XYZxyz(38.1943, 53.3372, 67.3016)
Luminance0.5334 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D4CF #D45156
analogous
#51D48E #51D4CF #5197D4
triadic
#51D4CF #CF51D4 #D4CF51
tetradic
#51D4CF #8E51D4 #D45156 #97D451
square
#51D4CF #8E51D4 #D45156 #97D451
split-complementary
#51D4CF #D45197 #D48E51
monochromatic
#228985 #2EBAB5 #51D4CF #82E0DD #B3ECEA

Accessibility & contrast

On white

1.80
#51D4CF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.67
#51D4CF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4CF
11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D4CF#FFFFFF#000000##000000
##51D4CF1.001.8011.6711.67
#FFFFFF1.801.0021.0021.00
#00000011.6721.001.001.00
##00000011.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#C8CACF
Deuteranopia (green-blind)
#B4BBD0
Tritanopia (blue-blind)
#00DAD2
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #51d4cf;
/* rgb */ color: rgb(81, 212, 207);
/* oklch */ color: oklch(79.7% 0.114 191.6);
Tailwind
colors: {
  custom: {
    50: '#91e1dd',
    500: '#51d4cf',
    950: '#000000',
  },
}
SCSS
$custom: #51d4cf;
$custom-light: #91e1dd;
$custom-dark: #000000;
JSON
{
  "hex": "#51d4cf",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 207
  },
  "hsl": {
    "h": 177.71,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.79739,
    "c": 0.11359,
    "h": 191.6
  },
  "luminance": 0.53341
}

Semantic roles & 50–950 ramp

primary
#51D4CF
secondary
#8F3A3D
accent
#444AE4
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1515
muted
#7F8484

Preview Lab

Preview with #51D4CF

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

Preview Lab → · Contrast checker → · Palette generator →

#51D4CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva