#51BFC8#51BFC8

#51BFC8 is a light, moderate teal. Relative luminance 0.432; OKLCH L 74.5% C 0.100 H 202.7°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX#51BFC8
RGBrgb(81, 191, 200)
HSLhsl(185, 52%, 55%)
HSVhsv(185, 60%, 78%)
CMYKcmyk(59.5%, 4.5%, 0%, 21.6%)
CIE-LABlab(71.68, -28.47, -13.94)
CIE-LCHlch(71.68, 31.70, 206.09°)
OKLaboklab(74.5% -0.0923 -0.0386)
OKLCHoklch(74.5% 0.1 202.7)
XYZxyz(32.4451, 43.1777, 61.2566)
Luminance0.4318 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BFC8 #C85A51
analogous
#51C896 #51BFC8 #5183C8
triadic
#51BFC8 #C851BF #BFC851
tetradic
#51BFC8 #9651C8 #C85A51 #83C851
square
#51BFC8 #9651C8 #C85A51 #83C851
split-complementary
#51BFC8 #C85183 #C89651
monochromatic
#267279 #359EA7 #51BFC8 #80D0D7 #AEE1E5

Accessibility & contrast

On white

2.18
#51BFC8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.64
#51BFC8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFC8
9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BFC8#FFFFFF#000000##000000
##51BFC81.002.189.649.64
#FFFFFF2.181.0021.0021.00
#0000009.6421.001.001.00
##0000009.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#B2B7C9
Deuteranopia (green-blind)
#9FAAC9
Tritanopia (blue-blind)
#00C6C1
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #51bfc8;
/* rgb */ color: rgb(81, 191, 200);
/* oklch */ color: oklch(74.5% 0.100 202.7);
Tailwind
colors: {
  custom: {
    50: '#8ed2d8',
    500: '#51bfc8',
    950: '#000000',
  },
}
SCSS
$custom: #51bfc8;
$custom-light: #8ed2d8;
$custom-dark: #000000;
JSON
{
  "hex": "#51bfc8",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 200
  },
  "hsl": {
    "h": 184.538,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.74497,
    "c": 0.10008,
    "h": 202.7
  },
  "luminance": 0.43181
}

Semantic roles & 50–950 ramp

primary
#51BFC8
secondary
#D3A5A1
accent
#574CDB
background
#F9FCFD
surface
#F2F9FA
border
#CCD2D3
text
#0D1414
muted
#7E8283

Preview Lab

Preview with #51BFC8

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

Preview Lab → · Contrast checker → · Palette generator →

#51BFC8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva