#51D565#51D565

#51D565 is a light, vivid green. Relative luminance 0.503; OKLCH L 77.5% C 0.192 H 146.2°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX#51D565
RGBrgb(81, 213, 101)
HSLhsl(129, 61%, 58%)
HSVhsv(129, 62%, 84%)
CMYKcmyk(62%, 0%, 52.6%, 16.5%)
CIE-LABlab(76.24, -58.91, 44.48)
CIE-LCHlch(76.24, 73.82, 142.95°)
OKLaboklab(77.53% -0.1593 0.1068)
OKLCHoklch(77.53% 0.192 146.2)
XYZxyz(29.5346, 50.2745, 20.4569)
Luminance0.5028 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D565 #D551C1
analogous
#7FD551 #51D565 #51D5A7
triadic
#51D565 #6551D5 #D56551
tetradic
#51D565 #517FD5 #D551C1 #D5A751
square
#51D565 #517FD5 #D551C1 #D5A751
split-complementary
#51D565 #A751D5 #D5517F
monochromatic
#218A31 #2DBC43 #51D565 #82E191 #B4EDBC

Accessibility & contrast

On white

1.90
#51D565 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.06
#51D565 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D565
11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D565#FFFFFF#000000##000000
##51D5651.001.9011.0611.06
#FFFFFF1.901.0021.0021.00
#00000011.0621.001.001.00
##00000011.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#D8C35B
Deuteranopia (green-blind)
#C7B86D
Tritanopia (blue-blind)
#2FD0BC
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #51d565;
/* rgb */ color: rgb(81, 213, 101);
/* oklch */ color: oklch(77.5% 0.192 146.2);
Tailwind
colors: {
  custom: {
    50: '#8fe393',
    500: '#51d565',
    950: '#000000',
  },
}
SCSS
$custom: #51d565;
$custom-light: #8fe393;
$custom-dark: #000000;
JSON
{
  "hex": "#51d565",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 101
  },
  "hsl": {
    "h": 129.091,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77533,
    "c": 0.19178,
    "h": 146.2
  },
  "luminance": 0.50277
}

Semantic roles & 50–950 ramp

primary
#51D565
secondary
#903A83
accent
#44CCE4
background
#FCFEFC
surface
#F5FCF4
border
#CFD5CE
text
#0E160D
muted
#7F847F

Preview Lab

Preview with #51D565

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

Preview Lab → · Contrast checker → · Palette generator →

#51D565 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva