#51DCEB#51DCEB

#51DCEB is a very light, moderate teal. Relative luminance 0.589; OKLCH L 82.6% C 0.119 H 205.3°. Best body text is #000000 at 12.79:1 contrast (WCAG AA passes).

Color values

HEX#51DCEB
RGBrgb(81, 220, 235)
HSLhsl(186, 79%, 62%)
HSVhsv(186, 66%, 92%)
CMYKcmyk(65.5%, 6.4%, 0%, 7.8%)
CIE-LABlab(81.25, -32.47, -18.36)
CIE-LCHlch(81.25, 37.31, 209.49°)
OKLaboklab(82.59% -0.1077 -0.0509)
OKLCHoklch(82.59% 0.119 205.3)
XYZxyz(43.9755, 58.9290, 87.6380)
Luminance0.5893 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DCEB #EB6051
analogous
#51EBAD #51DCEB #518FEB
triadic
#51DCEB #EB51DC #DCEB51
tetradic
#51DCEB #AD51EB #EB6051 #8FEB51
square
#51DCEB #AD51EB #EB6051 #8FEB51
split-complementary
#51DCEB #EB518F #EBAD51
monochromatic
#149FAE #1AD1E5 #51DCEB #88E7F1 #BFF2F8

Accessibility & contrast

On white

1.64
#51DCEB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.79
#51DCEB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DCEB
12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DCEB#FFFFFF#000000##000000
##51DCEB1.001.6412.7912.79
#FFFFFF1.641.0021.0021.00
#00000012.7921.001.001.00
##00000012.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#CBD3EC
Deuteranopia (green-blind)
#B4C3EB
Tritanopia (blue-blind)
#00E5E0
Achromatopsia (no color)
#CACACA

Design tokens & code

CSS
--color: #51dceb;
/* rgb */ color: rgb(81, 220, 235);
/* oklch */ color: oklch(82.6% 0.119 205.3);
Tailwind
colors: {
  custom: {
    50: '#94e7f1',
    500: '#51dceb',
    950: '#000000',
  },
}
SCSS
$custom: #51dceb;
$custom-light: #94e7f1;
$custom-dark: #000000;
JSON
{
  "hex": "#51dceb",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 235
  },
  "hsl": {
    "h": 185.844,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.82591,
    "c": 0.11914,
    "h": 205.3
  },
  "luminance": 0.58934
}

Semantic roles & 50–950 ramp

primary
#51DCEB
secondary
#AE3E32
accent
#1E0ADC
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0F1616
muted
#808485

Preview Lab

Preview with #51DCEB

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

Preview Lab → · Contrast checker → · Palette generator →

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