#51A643#51A643

#51A643 is a light, vivid green. Relative luminance 0.294; OKLCH L 65.0% C 0.159 H 140.9°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX#51A643
RGBrgb(81, 166, 67)
HSLhsl(112, 42%, 46%)
HSVhsv(112, 60%, 65%)
CMYKcmyk(51.2%, 0%, 59.6%, 34.9%)
CIE-LABlab(61.16, -45.21, 42.68)
CIE-LCHlch(61.16, 62.17, 136.65°)
OKLaboklab(64.99% -0.1236 0.1004)
OKLCHoklch(64.99% 0.159 140.9)
XYZxyz(18.0419, 29.4257, 10.0381)
Luminance0.2943 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51A643 #9843A6
analogous
#82A643 #51A643 #43A666
triadic
#51A643 #4351A6 #A64351
tetradic
#51A643 #4382A6 #9843A6 #A66643
square
#51A643 #4382A6 #9843A6 #A66643
split-complementary
#51A643 #6643A6 #A64382
monochromatic
#264F20 #3C7A31 #51A643 #72C165 #9AD391

Accessibility & contrast

On white

3.05
#51A643 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.89
#51A643 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A643
6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51A643#FFFFFF#000000##000000
##51A6431.003.056.896.89
#FFFFFF3.051.0021.0021.00
#0000006.8921.001.001.00
##0000006.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#AA9839
Deuteranopia (green-blind)
#9F914B
Tritanopia (blue-blind)
#48A191
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #51a643;
/* rgb */ color: rgb(81, 166, 67);
/* oklch */ color: oklch(65.0% 0.159 140.9);
Tailwind
colors: {
  custom: {
    50: '#89c17a',
    500: '#51a643',
    950: '#000000',
  },
}
SCSS
$custom: #51a643;
$custom-light: #89c17a;
$custom-dark: #000000;
JSON
{
  "hex": "#51a643",
  "rgb": {
    "r": 81,
    "g": 166,
    "b": 67
  },
  "hsl": {
    "h": 111.515,
    "s": 42.489,
    "l": 45.686
  },
  "oklch": {
    "l": 0.64993,
    "c": 0.15922,
    "h": 140.9
  },
  "luminance": 0.29427
}

Semantic roles & 50–950 ramp

primary
#51A643
secondary
#B687BE
accent
#56D2C1
background
#F8FBF7
surface
#F0F7EE
border
#CBD0C9
text
#0C1209
muted
#7D817B

Preview Lab

Preview with #51A643

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

Preview Lab → · Contrast checker → · Palette generator →

#51A643 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva