#51C0BF#51C0BF

#51C0BF is a light, moderate teal. Relative luminance 0.432; OKLCH L 74.4% C 0.100 H 194.4°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX#51C0BF
RGBrgb(81, 192, 191)
HSLhsl(179, 47%, 54%)
HSVhsv(179, 58%, 75%)
CMYKcmyk(57.8%, 0%, 0.5%, 24.7%)
CIE-LABlab(71.70, -31.46, -9.00)
CIE-LCHlch(71.70, 32.72, 195.96°)
OKLaboklab(74.42% -0.0972 -0.0249)
OKLCHoklch(74.42% 0.1 194.4)
XYZxyz(31.6429, 43.2070, 55.9523)
Luminance0.4321 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C0BF #C05152
analogous
#51C087 #51C0BF #5189C0
triadic
#51C0BF #BF51C0 #C0BF51
tetradic
#51C0BF #8751C0 #C05152 #89C051
square
#51C0BF #8751C0 #C05152 #89C051
split-complementary
#51C0BF #C05189 #C08751
monochromatic
#286F6E #389B9B #51C0BF #7ED0D0 #ABE1E0

Accessibility & contrast

On white

2.18
#51C0BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.64
#51C0BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C0BF
9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C0BF#FFFFFF#000000##000000
##51C0BF1.002.189.649.64
#FFFFFF2.181.0021.0021.00
#0000009.6421.001.001.00
##0000009.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5B7BF
Deuteranopia (green-blind)
#A3AAC0
Tritanopia (blue-blind)
#00C5BF
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #51c0bf;
/* rgb */ color: rgb(81, 192, 191);
/* oklch */ color: oklch(74.4% 0.100 194.4);
Tailwind
colors: {
  custom: {
    50: '#8dd3d2',
    500: '#51c0bf',
    950: '#000000',
  },
}
SCSS
$custom: #51c0bf;
$custom-light: #8dd3d2;
$custom-dark: #000000;
JSON
{
  "hex": "#51c0bf",
  "rgb": {
    "r": 81,
    "g": 192,
    "b": 191
  },
  "hsl": {
    "h": 179.459,
    "s": 46.835,
    "l": 53.529
  },
  "oklch": {
    "l": 0.74421,
    "c": 0.10037,
    "h": 194.4
  },
  "luminance": 0.4321
}

Semantic roles & 50–950 ramp

primary
#51C0BF
secondary
#CE9F9F
accent
#5153D6
background
#F9FDFC
surface
#F2FAF9
border
#CCD3D2
text
#0D1414
muted
#7E8382

Preview Lab

Preview with #51C0BF

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

Preview Lab → · Contrast checker → · Palette generator →

#51C0BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva