#51D665#51D665

#51D665 is a light, vivid green. Relative luminance 0.508; OKLCH L 77.8% C 0.193 H 146.1°. Best body text is #000000 at 11.16:1 contrast (WCAG AA passes).

Color values

HEX#51D665
RGBrgb(81, 214, 101)
HSLhsl(129, 62%, 58%)
HSVhsv(129, 62%, 84%)
CMYKcmyk(62.1%, 0%, 52.8%, 16.1%)
CIE-LABlab(76.55, -59.28, 44.85)
CIE-LCHlch(76.55, 74.33, 142.88°)
OKLaboklab(77.79% -0.1603 0.1076)
OKLCHoklch(77.79% 0.193 146.1)
XYZxyz(29.7869, 50.7791, 20.5410)
Luminance0.5078 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D665 #D651C2
analogous
#7FD651 #51D665 #51D6A8
triadic
#51D665 #6551D6 #D66551
tetradic
#51D665 #517FD6 #D651C2 #D6A851
square
#51D665 #517FD6 #D651C2 #D6A851
split-complementary
#51D665 #A851D6 #D6517F
monochromatic
#218C31 #2DBD42 #51D665 #83E291 #B4EDBD

Accessibility & contrast

On white

1.88
#51D665 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.16
#51D665 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D665
11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D665#FFFFFF#000000##000000
##51D6651.001.8811.1611.16
#FFFFFF1.881.0021.0021.00
#00000011.1621.001.001.00
##00000011.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#D9C45B
Deuteranopia (green-blind)
#C8B86D
Tritanopia (blue-blind)
#2FD1BC
Achromatopsia (no color)
#BDBDBD

Design tokens & code

CSS
--color: #51d665;
/* rgb */ color: rgb(81, 214, 101);
/* oklch */ color: oklch(77.8% 0.193 146.1);
Tailwind
colors: {
  custom: {
    50: '#8fe493',
    500: '#51d665',
    950: '#000000',
  },
}
SCSS
$custom: #51d665;
$custom-light: #8fe493;
$custom-dark: #000000;
JSON
{
  "hex": "#51d665",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 101
  },
  "hsl": {
    "h": 129.023,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.77787,
    "c": 0.19305,
    "h": 146.1
  },
  "luminance": 0.50782
}

Semantic roles & 50–950 ramp

primary
#51D665
secondary
#923A84
accent
#43CDE5
background
#FCFEFC
surface
#F5FCF4
border
#CFD5CE
text
#0E160D
muted
#7F847F

Preview Lab

Preview with #51D665

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

Preview Lab → · Contrast checker → · Palette generator →

#51D665 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva