#51E649#51E649

#51E649 is a light, highly saturated green. Relative luminance 0.588; OKLCH L 81.5% C 0.233 H 142.4°. Best body text is #000000 at 12.76:1 contrast (WCAG AA passes).

Color values

HEX#51E649
RGBrgb(81, 230, 73)
HSLhsl(117, 76%, 59%)
HSVhsv(117, 68%, 90%)
CMYKcmyk(64.8%, 0%, 68.3%, 9.8%)
CIE-LABlab(81.19, -67.90, 62.21)
CIE-LCHlch(81.19, 92.09, 137.51°)
OKLaboklab(81.54% -0.1848 0.1424)
OKLCHoklch(81.54% 0.233 142.4)
XYZxyz(32.8909, 58.8206, 15.9222)
Luminance0.5882 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E649 #DE49E6
analogous
#9FE649 #51E649 #49E690
triadic
#51E649 #4951E6 #E64951
tetradic
#51E649 #499FE6 #DE49E6 #E69049
square
#51E649 #499FE6 #DE49E6 #E69049
split-complementary
#51E649 #9049E6 #E6499F
monochromatic
#1D9F16 #27D51D #51E649 #84ED7F #B8F5B5

Accessibility & contrast

On white

1.65
#51E649 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.76
#51E649 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E649
12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E649#FFFFFF#000000##000000
##51E6491.001.6512.7612.76
#FFFFFF1.651.0021.0021.00
#00000012.7621.001.001.00
##00000012.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#EBD132
Deuteranopia (green-blind)
#D9C558
Tritanopia (blue-blind)
#31DFC6
Achromatopsia (no color)
#CACACA

Design tokens & code

CSS
--color: #51e649;
/* rgb */ color: rgb(81, 230, 73);
/* oklch */ color: oklch(81.5% 0.233 142.4);
Tailwind
colors: {
  custom: {
    50: '#93ef83',
    500: '#51e649',
    950: '#000000',
  },
}
SCSS
$custom: #51e649;
$custom-light: #93ef83;
$custom-dark: #000000;
JSON
{
  "hex": "#51e649",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 73
  },
  "hsl": {
    "h": 116.943,
    "s": 75.845,
    "l": 59.412
  },
  "oklch": {
    "l": 0.81542,
    "c": 0.23328,
    "h": 142.4
  },
  "luminance": 0.58824
}

Semantic roles & 50–950 ramp

primary
#51E649
secondary
#9C32A2
accent
#35F2E9
background
#FCFFFB
surface
#F5FEF2
border
#CFD6CC
text
#0F170B
muted
#80857E

Preview Lab

Preview with #51E649

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

Preview Lab → · Contrast checker → · Palette generator →

#51E649 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva