#51BFAF#51BFAF

#51BFAF is a light, moderate teal. Relative luminance 0.421; OKLCH L 73.7% C 0.103 H 182.4°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX#51BFAF
RGBrgb(81, 191, 175)
HSLhsl(171, 46%, 53%)
HSVhsv(171, 58%, 75%)
CMYKcmyk(57.6%, 0%, 8.4%, 25.1%)
CIE-LABlab(70.94, -35.23, -1.37)
CIE-LCHlch(70.94, 35.26, 182.22°)
OKLaboklab(73.66% -0.1032 -0.0042)
OKLCHoklch(73.66% 0.103 182.4)
XYZxyz(29.7585, 42.1031, 47.1076)
Luminance0.4211 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BFAF #BF5161
analogous
#51BF78 #51BFAF #5198BF
triadic
#51BFAF #AF51BF #BFAF51
tetradic
#51BFAF #7851BF #BF5161 #98BF51
square
#51BFAF #7851BF #BF5161 #98BF51
split-complementary
#51BFAF #BF5198 #BF7851
monochromatic
#286D63 #399A8C #51BFAF #7ECFC4 #AAE0D8

Accessibility & contrast

On white

2.23
#51BFAF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.42
#51BFAF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFAF
9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BFAF#FFFFFF#000000##000000
##51BFAF1.002.239.429.42
#FFFFFF2.231.0021.0021.00
#0000009.4221.001.001.00
##0000009.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7B5AE
Deuteranopia (green-blind)
#A6A8B0
Tritanopia (blue-blind)
#00C2BA
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #51bfaf;
/* rgb */ color: rgb(81, 191, 175);
/* oklch */ color: oklch(73.7% 0.103 182.4);
Tailwind
colors: {
  custom: {
    50: '#8cd3c6',
    500: '#51bfaf',
    950: '#000000',
  },
}
SCSS
$custom: #51bfaf;
$custom-light: #8cd3c6;
$custom-dark: #000000;
JSON
{
  "hex": "#51bfaf",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 175
  },
  "hsl": {
    "h": 171.273,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.7366,
    "c": 0.10327,
    "h": 182.4
  },
  "luminance": 0.42106
}

Semantic roles & 50–950 ramp

primary
#51BFAF
secondary
#CE9EA5
accent
#5265D6
background
#F9FDFC
surface
#F1FAF8
border
#CBD3D1
text
#0D1413
muted
#7E8382

Preview Lab

Preview with #51BFAF

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

Preview Lab → · Contrast checker → · Palette generator →

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