#51D661#51D661

#51D661 is a light, vivid green. Relative luminance 0.507; OKLCH L 77.7% C 0.196 H 145.5°. Best body text is #000000 at 11.14:1 contrast (WCAG AA passes).

Color values

HEX#51D661
RGBrgb(81, 214, 97)
HSLhsl(127, 62%, 58%)
HSVhsv(127, 62%, 84%)
CMYKcmyk(62.1%, 0%, 54.7%, 16.1%)
CIE-LABlab(76.50, -59.80, 46.68)
CIE-LCHlch(76.50, 75.87, 142.03°)
OKLaboklab(77.73% -0.1618 0.1114)
OKLCHoklch(77.73% 0.196 145.5)
XYZxyz(29.5957, 50.7026, 19.5339)
Luminance0.5071 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D661 #D651C6
analogous
#83D651 #51D661 #51D6A3
triadic
#51D661 #6151D6 #D66151
tetradic
#51D661 #5183D6 #D651C6 #D6A351
square
#51D661 #5183D6 #D651C6 #D6A351
split-complementary
#51D661 #A351D6 #D65183
monochromatic
#218C2E #2DBD3E #51D661 #83E28E #B4EDBB

Accessibility & contrast

On white

1.88
#51D661 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.14
#51D661 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D661
11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D661#FFFFFF#000000##000000
##51D6611.001.8811.1411.14
#FFFFFF1.881.0021.0021.00
#00000011.1421.001.001.00
##00000011.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#D9C456
Deuteranopia (green-blind)
#C9B86A
Tritanopia (blue-blind)
#31D1BC
Achromatopsia (no color)
#BDBDBD

Design tokens & code

CSS
--color: #51d661;
/* rgb */ color: rgb(81, 214, 97);
/* oklch */ color: oklch(77.7% 0.196 145.5);
Tailwind
colors: {
  custom: {
    50: '#90e491',
    500: '#51d661',
    950: '#000000',
  },
}
SCSS
$custom: #51d661;
$custom-light: #90e491;
$custom-dark: #000000;
JSON
{
  "hex": "#51d661",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 97
  },
  "hsl": {
    "h": 127.218,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.77734,
    "c": 0.19646,
    "h": 145.5
  },
  "luminance": 0.50706
}

Semantic roles & 50–950 ramp

primary
#51D661
secondary
#923A87
accent
#43D1E5
background
#FCFEFC
surface
#F5FCF4
border
#CFD5CE
text
#0E160D
muted
#7F847F

Preview Lab

Preview with #51D661

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

Preview Lab → · Contrast checker → · Palette generator →

#51D661 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva