#51BFB7#51BFB7

#51BFB7 is a light, moderate teal. Relative luminance 0.424; OKLCH L 73.9% C 0.101 H 188.7°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX#51BFB7
RGBrgb(81, 191, 183)
HSLhsl(176, 46%, 53%)
HSVhsv(176, 58%, 75%)
CMYKcmyk(57.6%, 0%, 4.2%, 25.1%)
CIE-LABlab(71.16, -33.14, -5.41)
CIE-LCHlch(71.16, 33.58, 189.28°)
OKLaboklab(73.91% -0.0996 -0.0152)
OKLCHoklch(73.91% 0.101 188.7)
XYZxyz(30.5676, 42.4268, 51.3688)
Luminance0.4243 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BFB7 #BF5159
analogous
#51BF80 #51BFB7 #5190BF
triadic
#51BFB7 #B751BF #BFB751
tetradic
#51BFB7 #8051BF #BF5159 #90BF51
square
#51BFB7 #8051BF #BF5159 #90BF51
split-complementary
#51BFB7 #BF5190 #BF8051
monochromatic
#286D68 #399A93 #51BFB7 #7ECFCA #AAE0DC

Accessibility & contrast

On white

2.21
#51BFB7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.49
#51BFB7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFB7
9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BFB7#FFFFFF#000000##000000
##51BFB71.002.219.499.49
#FFFFFF2.211.0021.0021.00
#0000009.4921.001.001.00
##0000009.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5B6B7
Deuteranopia (green-blind)
#A4A9B8
Tritanopia (blue-blind)
#00C3BC
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #51bfb7;
/* rgb */ color: rgb(81, 191, 183);
/* oklch */ color: oklch(73.9% 0.101 188.7);
Tailwind
colors: {
  custom: {
    50: '#8dd3cc',
    500: '#51bfb7',
    950: '#000000',
  },
}
SCSS
$custom: #51bfb7;
$custom-light: #8dd3cc;
$custom-dark: #000000;
JSON
{
  "hex": "#51bfb7",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 183
  },
  "hsl": {
    "h": 175.636,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.73914,
    "c": 0.10078,
    "h": 188.7
  },
  "luminance": 0.4243
}

Semantic roles & 50–950 ramp

primary
#51BFB7
secondary
#CE9EA2
accent
#525CD6
background
#F9FCFC
surface
#F1F9F8
border
#CBD2D1
text
#0D1413
muted
#7E8282

Preview Lab

Preview with #51BFB7

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

Preview Lab → · Contrast checker → · Palette generator →

#51BFB7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva