#51A428#51A428

#51A428 is a light, vivid green. Relative luminance 0.285; OKLCH L 64.2% C 0.176 H 137.5°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#51A428
RGBrgb(81, 164, 40)
HSLhsl(100, 61%, 40%)
HSVhsv(100, 76%, 64%)
CMYKcmyk(50.6%, 0%, 75.6%, 35.7%)
CIE-LABlab(60.30, -46.86, 52.98)
CIE-LCHlch(60.30, 70.73, 131.50°)
OKLaboklab(64.21% -0.1298 0.1188)
OKLCHoklch(64.21% 0.176 137.5)
XYZxyz(17.0512, 28.4522, 6.6004)
Luminance0.2845 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51A428 #7B28A4
analogous
#8FA428 #51A428 #28A43D
triadic
#51A428 #2851A4 #A42851
tetradic
#51A428 #288FA4 #7B28A4 #A43D28
square
#51A428 #288FA4 #7B28A4 #A43D28
split-complementary
#51A428 #3D28A4 #A4288F
monochromatic
#204210 #39731C #51A428 #6BCF3A #90DB6B

Accessibility & contrast

On white

3.14
#51A428 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.69
#51A428 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A428
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51A428#FFFFFF#000000##000000
##51A4281.003.146.696.69
#FFFFFF3.141.0021.0021.00
#0000006.6921.001.001.00
##0000006.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9960D
Deuteranopia (green-blind)
#9F8F35
Tritanopia (blue-blind)
#4B9E8C
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #51a428;
/* rgb */ color: rgb(81, 164, 40);
/* oklch */ color: oklch(64.2% 0.176 137.5);
Tailwind
colors: {
  custom: {
    50: '#8ac06b',
    500: '#51a428',
    950: '#000000',
  },
}
SCSS
$custom: #51a428;
$custom-light: #8ac06b;
$custom-dark: #000000;
JSON
{
  "hex": "#51a428",
  "rgb": {
    "r": 81,
    "g": 164,
    "b": 40
  },
  "hsl": {
    "h": 100.161,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.64214,
    "c": 0.17599,
    "h": 137.5
  },
  "luminance": 0.28453
}

Semantic roles & 50–950 ramp

primary
#51A428
secondary
#A366C1
accent
#44E4AF
background
#F8FBF6
surface
#F0F7EC
border
#CBD0C7
text
#0D1207
muted
#7D817A

Preview Lab

Preview with #51A428

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

Preview Lab → · Contrast checker → · Palette generator →

#51A428 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva