#51CBAF#51CBAF

#51CBAF is a light, moderate teal. Relative luminance 0.476; OKLCH L 76.6% C 0.116 H 175.3°. Best body text is #000000 at 10.51:1 contrast (WCAG AA passes).

Color values

HEX#51CBAF
RGBrgb(81, 203, 175)
HSLhsl(166, 54%, 56%)
HSVhsv(166, 60%, 80%)
CMYKcmyk(60.1%, 0%, 13.8%, 20.4%)
CIE-LABlab(74.54, -40.69, 3.88)
CIE-LCHlch(74.54, 40.87, 174.56°)
OKLaboklab(76.59% -0.1161 0.0096)
OKLCHoklch(76.59% 0.116 175.3)
XYZxyz(32.4835, 47.5530, 48.0159)
Luminance0.4756 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CBAF #CB516D
analogous
#51CB72 #51CBAF #51AACB
triadic
#51CBAF #AF51CB #CBAF51
tetradic
#51CBAF #7251CB #CB516D #AACB51
square
#51CBAF #7251CB #CB516D #AACB51
split-complementary
#51CBAF #CB51AA #CB7251
monochromatic
#257C68 #33AC90 #51CBAF #80D9C5 #AFE7DA

Accessibility & contrast

On white

2.00
#51CBAF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.51
#51CBAF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBAF
10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CBAF#FFFFFF#000000##000000
##51CBAF1.002.0010.5110.51
#FFFFFF2.001.0021.0021.00
#00000010.5121.001.001.00
##00000010.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C4BFAE
Deuteranopia (green-blind)
#B2B2B1
Tritanopia (blue-blind)
#00CDC3
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #51cbaf;
/* rgb */ color: rgb(81, 203, 175);
/* oklch */ color: oklch(76.6% 0.116 175.3);
Tailwind
colors: {
  custom: {
    50: '#8edbc6',
    500: '#51cbaf',
    950: '#000000',
  },
}
SCSS
$custom: #51cbaf;
$custom-light: #8edbc6;
$custom-dark: #000000;
JSON
{
  "hex": "#51cbaf",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 175
  },
  "hsl": {
    "h": 166.23,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.76586,
    "c": 0.11646,
    "h": 175.3
  },
  "luminance": 0.47556
}

Semantic roles & 50–950 ramp

primary
#51CBAF
secondary
#D5A3AE
accent
#4A6CDD
background
#F9FDFC
surface
#F2FBF8
border
#CCD4D1
text
#0D1513
muted
#7E8382

Preview Lab

Preview with #51CBAF

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

Preview Lab → · Contrast checker → · Palette generator →

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