#51E565#51E565

#51E565 is a light, highly saturated green. Relative luminance 0.587; OKLCH L 81.6% C 0.212 H 145.6°. Best body text is #000000 at 12.75:1 contrast (WCAG AA passes).

Color values

HEX#51E565
RGBrgb(81, 229, 101)
HSLhsl(128, 74%, 61%)
HSVhsv(128, 65%, 90%)
CMYKcmyk(64.6%, 0%, 55.9%, 10.2%)
CIE-LABlab(81.14, -64.61, 50.36)
CIE-LCHlch(81.14, 81.92, 142.06°)
OKLaboklab(81.58% -0.1746 0.1197)
OKLCHoklch(81.58% 0.212 145.6)
XYZxyz(33.7594, 58.7241, 21.8652)
Luminance0.5873 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E565 #E551D1
analogous
#87E551 #51E565 #51E5AF
triadic
#51E565 #6551E5 #E56551
tetradic
#51E565 #5187E5 #E551D1 #E5AF51
square
#51E565 #5187E5 #E551D1 #E5AF51
split-complementary
#51E565 #AF51E5 #E55187
monochromatic
#18A32B #20D839 #51E565 #86ED94 #BBF5C3

Accessibility & contrast

On white

1.65
#51E565 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.75
#51E565 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E565
12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E565#FFFFFF#000000##000000
##51E5651.001.6512.7512.75
#FFFFFF1.651.0021.0021.00
#00000012.7521.001.001.00
##00000012.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#E8D159
Deuteranopia (green-blind)
#D6C56F
Tritanopia (blue-blind)
#27E0C9
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #51e565;
/* rgb */ color: rgb(81, 229, 101);
/* oklch */ color: oklch(81.6% 0.212 145.6);
Tailwind
colors: {
  custom: {
    50: '#92ee94',
    500: '#51e565',
    950: '#000000',
  },
}
SCSS
$custom: #51e565;
$custom-light: #92ee94;
$custom-dark: #000000;
JSON
{
  "hex": "#51e565",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 101
  },
  "hsl": {
    "h": 128.108,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.8158,
    "c": 0.21176,
    "h": 145.6
  },
  "luminance": 0.58728
}

Semantic roles & 50–950 ramp

primary
#51E565
secondary
#A63596
accent
#0FBBD6
background
#FCFFFC
surface
#F5FEF4
border
#CFD6CE
text
#0E160D
muted
#7F857F

Preview Lab

Preview with #51E565

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

Preview Lab → · Contrast checker → · Palette generator →

#51E565 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva