#51BFB5#51BFB5

#51BFB5 is a light, moderate teal. Relative luminance 0.423; OKLCH L 73.8% C 0.101 H 187.0°. Best body text is #000000 at 9.47:1 contrast (WCAG AA passes).

Color values

HEX#51BFB5
RGBrgb(81, 191, 181)
HSLhsl(175, 46%, 53%)
HSVhsv(175, 58%, 75%)
CMYKcmyk(57.6%, 0%, 5.2%, 25.1%)
CIE-LABlab(71.11, -33.67, -4.40)
CIE-LCHlch(71.11, 33.96, 187.45°)
OKLaboklab(73.85% -0.1005 -0.0124)
OKLCHoklch(73.85% 0.101 187)
XYZxyz(30.3610, 42.3441, 50.2803)
Luminance0.4235 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BFB5 #BF515B
analogous
#51BF7E #51BFB5 #5192BF
triadic
#51BFB5 #B551BF #BFB551
tetradic
#51BFB5 #7E51BF #BF515B #92BF51
square
#51BFB5 #7E51BF #BF515B #92BF51
split-complementary
#51BFB5 #BF5192 #BF7E51
monochromatic
#286D67 #399A91 #51BFB5 #7ECFC8 #AAE0DB

Accessibility & contrast

On white

2.22
#51BFB5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.47
#51BFB5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFB5
9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BFB5#FFFFFF#000000##000000
##51BFB51.002.229.479.47
#FFFFFF2.221.0021.0021.00
#0000009.4721.001.001.00
##0000009.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B6B5B5
Deuteranopia (green-blind)
#A4A9B6
Tritanopia (blue-blind)
#00C3BC
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #51bfb5;
/* rgb */ color: rgb(81, 191, 181);
/* oklch */ color: oklch(73.8% 0.101 187.0);
Tailwind
colors: {
  custom: {
    50: '#8dd3cb',
    500: '#51bfb5',
    950: '#000000',
  },
}
SCSS
$custom: #51bfb5;
$custom-light: #8dd3cb;
$custom-dark: #000000;
JSON
{
  "hex": "#51bfb5",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 181
  },
  "hsl": {
    "h": 174.545,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.73849,
    "c": 0.10128,
    "h": 187
  },
  "luminance": 0.42347
}

Semantic roles & 50–950 ramp

primary
#51BFB5
secondary
#CE9EA3
accent
#525ED6
background
#F9FCFC
surface
#F1F9F8
border
#CBD2D1
text
#0D1413
muted
#7E8282

Preview Lab

Preview with #51BFB5

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

Preview Lab → · Contrast checker → · Palette generator →

#51BFB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva