#51AA25#51AA25

#51AA25 is a light, vivid green. Relative luminance 0.306; OKLCH L 65.8% C 0.185 H 137.7°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX#51AA25
RGBrgb(81, 170, 37)
HSLhsl(100, 64%, 41%)
HSVhsv(100, 78%, 67%)
CMYKcmyk(52.4%, 0%, 78.2%, 33.3%)
CIE-LABlab(62.19, -49.38, 55.83)
CIE-LCHlch(62.19, 74.53, 131.49°)
OKLaboklab(65.77% -0.1368 0.1243)
OKLCHoklch(65.77% 0.185 137.7)
XYZxyz(18.1014, 30.6310, 6.7084)
Luminance0.3063 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51AA25 #7E25AA
analogous
#93AA25 #51AA25 #25AA3B
triadic
#51AA25 #2551AA #AA2551
tetradic
#51AA25 #2593AA #7E25AA #AA3B25
square
#51AA25 #2593AA #7E25AA #AA3B25
split-complementary
#51AA25 #3B25AA #AA2593
monochromatic
#21450F #39781A #51AA25 #6CD438 #91DF6B

Accessibility & contrast

On white

2.95
#51AA25 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.13
#51AA25 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AA25
7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51AA25#FFFFFF#000000##000000
##51AA251.002.957.137.13
#FFFFFF2.951.0021.0021.00
#0000007.1321.001.001.00
##0000007.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#B09B00
Deuteranopia (green-blind)
#A49434
Tritanopia (blue-blind)
#4AA491
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #51aa25;
/* rgb */ color: rgb(81, 170, 37);
/* oklch */ color: oklch(65.8% 0.185 137.7);
Tailwind
colors: {
  custom: {
    50: '#8bc46a',
    500: '#51aa25',
    950: '#000000',
  },
}
SCSS
$custom: #51aa25;
$custom-light: #8bc46a;
$custom-dark: #000000;
JSON
{
  "hex": "#51aa25",
  "rgb": {
    "r": 81,
    "g": 170,
    "b": 37
  },
  "hsl": {
    "h": 100.15,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.65772,
    "c": 0.18484,
    "h": 137.7
  },
  "luminance": 0.30632
}

Semantic roles & 50–950 ramp

primary
#51AA25
secondary
#A566C5
accent
#41E7B0
background
#F9FCF6
surface
#F1F8EC
border
#CBD1C7
text
#0D1307
muted
#7E827A

Preview Lab

Preview with #51AA25

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

Preview Lab → · Contrast checker → · Palette generator →

#51AA25 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva