#51C5CE#51C5CE

#51C5CE is a light, moderate teal. Relative luminance 0.461; OKLCH L 76.1% C 0.104 H 202.3°. Best body text is #000000 at 10.23:1 contrast (WCAG AA passes).

Color values

HEX#51C5CE
RGBrgb(81, 197, 206)
HSLhsl(184, 56%, 56%)
HSVhsv(184, 61%, 81%)
CMYKcmyk(60.7%, 4.4%, 0%, 19.2%)
CIE-LABlab(73.63, -29.70, -14.27)
CIE-LCHlch(73.63, 32.95, 205.66°)
OKLaboklab(76.14% -0.0962 -0.0395)
OKLCHoklch(76.14% 0.104 202.3)
XYZxyz(34.4954, 46.1345, 65.4674)
Luminance0.4614 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C5CE #CE5A51
analogous
#51CE99 #51C5CE #5187CE
triadic
#51C5CE #CE51C5 #C5CE51
tetradic
#51C5CE #9951CE #CE5A51 #87CE51
square
#51C5CE #9951CE #CE5A51 #87CE51
split-complementary
#51C5CE #CE5187 #CE9951
monochromatic
#247A80 #32A7B0 #51C5CE #81D5DB #B1E5E9

Accessibility & contrast

On white

2.05
#51C5CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.23
#51C5CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C5CE
10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C5CE#FFFFFF#000000##000000
##51C5CE1.002.0510.2310.23
#FFFFFF2.051.0021.0021.00
#00000010.2321.001.001.00
##00000010.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7BDCF
Deuteranopia (green-blind)
#A4AFCF
Tritanopia (blue-blind)
#00CCC7
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #51c5ce;
/* rgb */ color: rgb(81, 197, 206);
/* oklch */ color: oklch(76.1% 0.104 202.3);
Tailwind
colors: {
  custom: {
    50: '#8fd7dd',
    500: '#51c5ce',
    950: '#000000',
  },
}
SCSS
$custom: #51c5ce;
$custom-light: #8fd7dd;
$custom-dark: #000000;
JSON
{
  "hex": "#51c5ce",
  "rgb": {
    "r": 81,
    "g": 197,
    "b": 206
  },
  "hsl": {
    "h": 184.32,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.76138,
    "c": 0.10397,
    "h": 202.3
  },
  "luminance": 0.46138
}

Semantic roles & 50–950 ramp

primary
#51C5CE
secondary
#D7A7A4
accent
#5348DF
background
#F9FDFD
surface
#F2FAFB
border
#CCD3D4
text
#0E1415
muted
#7E8383

Preview Lab

Preview with #51C5CE

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

Preview Lab → · Contrast checker → · Palette generator →

#51C5CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva