#51D5B2#51D5B2

#51D5B2 is a light, vivid teal. Relative luminance 0.526; OKLCH L 79.1% C 0.126 H 172.3°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX#51D5B2
RGBrgb(81, 213, 178)
HSLhsl(164, 61%, 58%)
HSVhsv(164, 62%, 84%)
CMYKcmyk(62%, 0%, 16.4%, 16.5%)
CIE-LABlab(77.61, -44.35, 6.68)
CIE-LCHlch(77.61, 44.85, 171.43°)
OKLaboklab(79.11% -0.1252 0.017)
OKLCHoklch(79.11% 0.126 172.3)
XYZxyz(35.2196, 52.5485, 50.3976)
Luminance0.5255 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D5B2 #D55174
analogous
#51D570 #51D5B2 #51B6D5
triadic
#51D5B2 #B251D5 #D5B251
tetradic
#51D5B2 #7051D5 #D55174 #B6D551
square
#51D5B2 #7051D5 #D55174 #B6D551
split-complementary
#51D5B2 #D551B6 #D57051
monochromatic
#218A6E #2DBC96 #51D5B2 #82E1C8 #B4EDDE

Accessibility & contrast

On white

1.82
#51D5B2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.51
#51D5B2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5B2
11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D5B2#FFFFFF#000000##000000
##51D5B21.001.8211.5111.51
#FFFFFF1.821.0021.0021.00
#00000011.5121.001.001.00
##00000011.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#CFC8B0
Deuteranopia (green-blind)
#BCBAB4
Tritanopia (blue-blind)
#00D7CB
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #51d5b2;
/* rgb */ color: rgb(81, 213, 178);
/* oklch */ color: oklch(79.1% 0.126 172.3);
Tailwind
colors: {
  custom: {
    50: '#8fe2c9',
    500: '#51d5b2',
    950: '#000000',
  },
}
SCSS
$custom: #51d5b2;
$custom-light: #8fe2c9;
$custom-dark: #000000;
JSON
{
  "hex": "#51d5b2",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 178
  },
  "hsl": {
    "h": 164.091,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.79107,
    "c": 0.12634,
    "h": 172.3
  },
  "luminance": 0.52552
}

Semantic roles & 50–950 ramp

primary
#51D5B2
secondary
#903A51
accent
#446EE4
background
#FCFEFD
surface
#F5FCF9
border
#CFD5D2
text
#0E1513
muted
#7F8482

Preview Lab

Preview with #51D5B2

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

Preview Lab → · Contrast checker → · Palette generator →

#51D5B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva