#51AC4E#51AC4E

#51AC4E is a light, vivid green. Relative luminance 0.318; OKLCH L 66.7% C 0.158 H 143.0°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX#51AC4E
RGBrgb(81, 172, 78)
HSLhsl(118, 38%, 49%)
HSVhsv(118, 55%, 67%)
CMYKcmyk(52.9%, 0%, 54.7%, 32.5%)
CIE-LABlab(63.18, -46.29, 39.79)
CIE-LCHlch(63.18, 61.05, 139.32°)
OKLaboklab(66.7% -0.126 0.095)
OKLCHoklch(66.7% 0.158 143)
XYZxyz(19.5200, 31.8029, 12.3162)
Luminance0.3180 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51AC4E #A94EAC
analogous
#80AC4E #51AC4E #4EAC7A
triadic
#51AC4E #4E51AC #AC4E51
tetradic
#51AC4E #4E80AC #A94EAC #AC7A4E
square
#51AC4E #4E80AC #A94EAC #AC7A4E
split-complementary
#51AC4E #7A4EAC #AC4E80
monochromatic
#295828 #3D823B #51AC4E #79C176 #A2D4A0

Accessibility & contrast

On white

2.85
#51AC4E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.36
#51AC4E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AC4E
7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51AC4E#FFFFFF#000000##000000
##51AC4E1.002.857.367.36
#FFFFFF2.851.0021.0021.00
#0000007.3621.001.001.00
##0000007.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#AF9E45
Deuteranopia (green-blind)
#A39655
Tritanopia (blue-blind)
#44A797
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #51ac4e;
/* rgb */ color: rgb(81, 172, 78);
/* oklch */ color: oklch(66.7% 0.158 143.0);
Tailwind
colors: {
  custom: {
    50: '#89c582',
    500: '#51ac4e',
    950: '#000000',
  },
}
SCSS
$custom: #51ac4e;
$custom-light: #89c582;
$custom-dark: #000000;
JSON
{
  "hex": "#51ac4e",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 78
  },
  "hsl": {
    "h": 118.085,
    "s": 37.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.66695,
    "c": 0.15777,
    "h": 143
  },
  "luminance": 0.31804
}

Semantic roles & 50–950 ramp

primary
#51AC4E
secondary
#C095C1
accent
#5ACECA
background
#F8FCF8
surface
#F0F8EF
border
#CBD1CA
text
#0C130B
muted
#7D827C

Preview Lab

Preview with #51AC4E

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

Preview Lab → · Contrast checker → · Palette generator →

#51AC4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva