#51AA2A#51AA2A

#51AA2A is a light, vivid green. Relative luminance 0.307; OKLCH L 65.8% C 0.182 H 138.1°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX#51AA2A
RGBrgb(81, 170, 42)
HSLhsl(102, 60%, 42%)
HSVhsv(102, 75%, 67%)
CMYKcmyk(52.4%, 0%, 75.3%, 33.3%)
CIE-LABlab(62.22, -49.06, 54.18)
CIE-LCHlch(62.22, 73.09, 132.16°)
OKLaboklab(65.81% -0.1356 0.1216)
OKLCHoklch(65.81% 0.182 138.1)
XYZxyz(18.1853, 30.6646, 7.1506)
Luminance0.3067 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51AA2A #832AAA
analogous
#91AA2A #51AA2A #2AAA43
triadic
#51AA2A #2A51AA #AA2A51
tetradic
#51AA2A #2A91AA #832AAA #AA432A
square
#51AA2A #2A91AA #832AAA #AA432A
split-complementary
#51AA2A #432AAA #AA2A91
monochromatic
#224812 #3A791E #51AA2A #6DD041 #92DC72

Accessibility & contrast

On white

2.94
#51AA2A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.13
#51AA2A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AA2A
7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51AA2A#FFFFFF#000000##000000
##51AA2A1.002.947.137.13
#FFFFFF2.941.0021.0021.00
#0000007.1321.001.001.00
##0000007.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#AF9B0F
Deuteranopia (green-blind)
#A49437
Tritanopia (blue-blind)
#4AA492
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #51aa2a;
/* rgb */ color: rgb(81, 170, 42);
/* oklch */ color: oklch(65.8% 0.182 138.1);
Tailwind
colors: {
  custom: {
    50: '#8bc46d',
    500: '#51aa2a',
    950: '#000000',
  },
}
SCSS
$custom: #51aa2a;
$custom-light: #8bc46d;
$custom-dark: #000000;
JSON
{
  "hex": "#51aa2a",
  "rgb": {
    "r": 81,
    "g": 170,
    "b": 42
  },
  "hsl": {
    "h": 101.719,
    "s": 60.377,
    "l": 41.569
  },
  "oklch": {
    "l": 0.65805,
    "c": 0.18216,
    "h": 138.1
  },
  "luminance": 0.30666
}

Semantic roles & 50–950 ramp

primary
#51AA2A
secondary
#A96CC3
accent
#44E4B3
background
#F9FCF6
surface
#F1F8EC
border
#CBD1C7
text
#0D1307
muted
#7E827A

Preview Lab

Preview with #51AA2A

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

Preview Lab → · Contrast checker → · Palette generator →

#51AA2A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva