#51BFB0#51BFB0

#51BFB0 is a light, moderate teal. Relative luminance 0.421; OKLCH L 73.7% C 0.103 H 183.1°. Best body text is #000000 at 9.43:1 contrast (WCAG AA passes).

Color values

HEX#51BFB0
RGBrgb(81, 191, 176)
HSLhsl(172, 46%, 53%)
HSVhsv(172, 58%, 75%)
CMYKcmyk(57.6%, 0%, 7.9%, 25.1%)
CIE-LABlab(70.97, -34.98, -1.87)
CIE-LCHlch(70.97, 35.03, 183.06°)
OKLaboklab(73.69% -0.1027 -0.0056)
OKLCHoklch(73.69% 0.103 183.1)
XYZxyz(29.8571, 42.1425, 47.6267)
Luminance0.4215 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BFB0 #BF5160
analogous
#51BF79 #51BFB0 #5197BF
triadic
#51BFB0 #B051BF #BFB051
tetradic
#51BFB0 #7951BF #BF5160 #97BF51
square
#51BFB0 #7951BF #BF5160 #97BF51
split-complementary
#51BFB0 #BF5197 #BF7951
monochromatic
#286D64 #399A8D #51BFB0 #7ECFC4 #AAE0D9

Accessibility & contrast

On white

2.23
#51BFB0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.43
#51BFB0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFB0
9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BFB0#FFFFFF#000000##000000
##51BFB01.002.239.439.43
#FFFFFF2.231.0021.0021.00
#0000009.4321.001.001.00
##0000009.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7B5AF
Deuteranopia (green-blind)
#A6A8B1
Tritanopia (blue-blind)
#00C2BA
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #51bfb0;
/* rgb */ color: rgb(81, 191, 176);
/* oklch */ color: oklch(73.7% 0.103 183.1);
Tailwind
colors: {
  custom: {
    50: '#8cd3c7',
    500: '#51bfb0',
    950: '#000000',
  },
}
SCSS
$custom: #51bfb0;
$custom-light: #8cd3c7;
$custom-dark: #000000;
JSON
{
  "hex": "#51bfb0",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 176
  },
  "hsl": {
    "h": 171.818,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.73691,
    "c": 0.10289,
    "h": 183.1
  },
  "luminance": 0.42146
}

Semantic roles & 50–950 ramp

primary
#51BFB0
secondary
#CE9EA5
accent
#5264D6
background
#F9FDFC
surface
#F1FAF8
border
#CBD3D1
text
#0D1413
muted
#7E8382

Preview Lab

Preview with #51BFB0

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

Preview Lab → · Contrast checker → · Palette generator →

#51BFB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva