#51DA61#51DA61

#51DA61 is a light, highly saturated green. Relative luminance 0.528; OKLCH L 78.7% C 0.201 H 145.3°. Best body text is #000000 at 11.55:1 contrast (WCAG AA passes).

Color values

HEX#51DA61
RGBrgb(81, 218, 97)
HSLhsl(127, 65%, 59%)
HSVhsv(127, 63%, 85%)
CMYKcmyk(62.8%, 0%, 55.5%, 14.5%)
CIE-LABlab(77.73, -61.24, 48.15)
CIE-LCHlch(77.73, 77.90, 141.82°)
OKLaboklab(78.75% -0.1657 0.1146)
OKLCHoklch(78.75% 0.201 145.3)
XYZxyz(30.6205, 52.7522, 19.8754)
Luminance0.5275 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DA61 #DA51CA
analogous
#85DA51 #51DA61 #51DAA5
triadic
#51DA61 #6151DA #DA6151
tetradic
#51DA61 #5185DA #DA51CA #DAA551
square
#51DA61 #5185DA #DA51CA #DAA551
split-complementary
#51DA61 #A551DA #DA5185
monochromatic
#1F922C #2AC43C #51DA61 #83E58F #B6EFBD

Accessibility & contrast

On white

1.82
#51DA61 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.55
#51DA61 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA61
11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DA61#FFFFFF#000000##000000
##51DA611.001.8211.5511.55
#FFFFFF1.821.0021.0021.00
#00000011.5521.001.001.00
##00000011.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#DDC755
Deuteranopia (green-blind)
#CCBC6A
Tritanopia (blue-blind)
#2FD5BF
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #51da61;
/* rgb */ color: rgb(81, 218, 97);
/* oklch */ color: oklch(78.7% 0.201 145.3);
Tailwind
colors: {
  custom: {
    50: '#90e691',
    500: '#51da61',
    950: '#000000',
  },
}
SCSS
$custom: #51da61;
$custom-light: #90e691;
$custom-dark: #000000;
JSON
{
  "hex": "#51da61",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 97
  },
  "hsl": {
    "h": 127.007,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.78749,
    "c": 0.20146,
    "h": 145.3
  },
  "luminance": 0.52755
}

Semantic roles & 50–950 ramp

primary
#51DA61
secondary
#97398C
accent
#40D4E8
background
#FCFEFC
surface
#F5FDF4
border
#CFD5CE
text
#0E160D
muted
#7F847F

Preview Lab

Preview with #51DA61

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

Preview Lab → · Contrast checker → · Palette generator →

#51DA61 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva