#51E45A#51E45A

#51E45A is a light, highly saturated green. Relative luminance 0.580; OKLCH L 81.2% C 0.219 H 144.1°. Best body text is #000000 at 12.59:1 contrast (WCAG AA passes).

Color values

HEX#51E45A
RGBrgb(81, 228, 90)
HSLhsl(124, 73%, 61%)
HSVhsv(124, 64%, 89%)
CMYKcmyk(64.5%, 0%, 60.5%, 10.6%)
CIE-LABlab(80.72, -65.56, 54.76)
CIE-LCHlch(80.72, 85.42, 140.13°)
OKLaboklab(81.2% -0.1776 0.1284)
OKLCHoklch(81.2% 0.219 144.1)
XYZxyz(32.9802, 57.9710, 19.1223)
Luminance0.5797 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E45A #E451DB
analogous
#92E451 #51E45A #51E4A3
triadic
#51E45A #5A51E4 #E45A51
tetradic
#51E45A #5192E4 #E451DB #E4A351
square
#51E45A #5192E4 #E451DB #E4A351
split-complementary
#51E45A #A351E4 #E45192
monochromatic
#19A221 #21D72C #51E45A #86EC8C #BBF4BE

Accessibility & contrast

On white

1.67
#51E45A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.59
#51E45A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E45A
12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E45A#FFFFFF#000000##000000
##51E45A1.001.6712.5912.59
#FFFFFF1.671.0021.0021.00
#00000012.5921.001.001.00
##00000012.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#E8D04B
Deuteranopia (green-blind)
#D6C465
Tritanopia (blue-blind)
#2CDEC6
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #51e45a;
/* rgb */ color: rgb(81, 228, 90);
/* oklch */ color: oklch(81.2% 0.219 144.1);
Tailwind
colors: {
  custom: {
    50: '#92ee8d',
    500: '#51e45a',
    950: '#000000',
  },
}
SCSS
$custom: #51e45a;
$custom-light: #92ee8d;
$custom-dark: #000000;
JSON
{
  "hex": "#51e45a",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 90
  },
  "hsl": {
    "h": 123.673,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81199,
    "c": 0.21916,
    "h": 144.1
  },
  "luminance": 0.57974
}

Semantic roles & 50–950 ramp

primary
#51E45A
secondary
#A4359D
accent
#10C9D5
background
#FCFFFC
surface
#F5FEF4
border
#CFD6CE
text
#0E160C
muted
#7F857F

Preview Lab

Preview with #51E45A

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

Preview Lab → · Contrast checker → · Palette generator →

#51E45A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva