#51DA99#51DA99

#51DA99 is a light, vivid teal. Relative luminance 0.542; OKLCH L 79.7% C 0.152 H 159.2°. Best body text is #000000 at 11.84:1 contrast (WCAG AA passes).

Color values

HEX#51DA99
RGBrgb(81, 218, 153)
HSLhsl(152, 65%, 59%)
HSVhsv(152, 63%, 85%)
CMYKcmyk(62.8%, 0%, 29.8%, 14.5%)
CIE-LABlab(78.57, -51.97, 21.28)
CIE-LCHlch(78.57, 56.15, 157.73°)
OKLaboklab(79.72% -0.1418 0.054)
OKLCHoklch(79.72% 0.152 159.2)
XYZxyz(34.2113, 54.1885, 38.7873)
Luminance0.5419 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DA99 #DA5192
analogous
#51DA54 #51DA99 #51D6DA
triadic
#51DA99 #9951DA #DA9951
tetradic
#51DA99 #5451DA #DA5192 #D6DA51
square
#51DA99 #5451DA #DA5192 #D6DA51
split-complementary
#51DA99 #DA51D6 #DA5451
monochromatic
#1F925B #2AC47B #51DA99 #83E5B7 #B6EFD4

Accessibility & contrast

On white

1.77
#51DA99 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.84
#51DA99 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA99
11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DA99#FFFFFF#000000##000000
##51DA991.001.7711.8411.84
#FFFFFF1.771.0021.0021.00
#00000011.8421.001.001.00
##00000011.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#D8CA95
Deuteranopia (green-blind)
#C5BD9D
Tritanopia (blue-blind)
#00D9C9
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #51da99;
/* rgb */ color: rgb(81, 218, 153);
/* oklch */ color: oklch(79.7% 0.152 159.2);
Tailwind
colors: {
  custom: {
    50: '#8fe6b7',
    500: '#51da99',
    950: '#000000',
  },
}
SCSS
$custom: #51da99;
$custom-light: #8fe6b7;
$custom-dark: #000000;
JSON
{
  "hex": "#51da99",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 153
  },
  "hsl": {
    "h": 151.533,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79718,
    "c": 0.15173,
    "h": 159.2
  },
  "luminance": 0.54192
}

Semantic roles & 50–950 ramp

primary
#51DA99
secondary
#973965
accent
#4090E8
background
#FCFEFD
surface
#F5FCF8
border
#CFD5D1
text
#0E1611
muted
#7F8481

Preview Lab

Preview with #51DA99

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

Preview Lab → · Contrast checker → · Palette generator →

#51DA99 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva