#51C12A#51C12A

#51C12A is a light, highly saturated green. Relative luminance 0.401; OKLCH L 71.8% C 0.209 H 139.3°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX#51C12A
RGBrgb(81, 193, 42)
HSLhsl(105, 64%, 46%)
HSVhsv(105, 78%, 76%)
CMYKcmyk(58%, 0%, 78.2%, 24.3%)
CIE-LABlab(69.51, -57.53, 61.23)
CIE-LCHlch(69.51, 84.02, 133.22°)
OKLaboklab(71.82% -0.1584 0.1364)
OKLCHoklch(71.82% 0.209 139.3)
XYZxyz(22.8803, 40.0544, 8.7156)
Luminance0.4006 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C12A #9A2AC1
analogous
#9CC12A #51C12A #2AC14E
triadic
#51C12A #2A51C1 #C12A51
tetradic
#51C12A #2A9CC1 #9A2AC1 #C14E2A
square
#51C12A #2A9CC1 #9A2AC1 #C14E2A
split-complementary
#51C12A #4E2AC1 #C12A9C
monochromatic
#275C14 #3C8F1F #51C12A #73D94F #9BE482

Accessibility & contrast

On white

2.33
#51C12A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.01
#51C12A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C12A
9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C12A#FFFFFF#000000##000000
##51C12A1.002.339.019.01
#FFFFFF2.331.0021.0021.00
#0000009.0121.001.001.00
##0000009.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C7AF00
Deuteranopia (green-blind)
#B9A63B
Tritanopia (blue-blind)
#44BAA5
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #51c12a;
/* rgb */ color: rgb(81, 193, 42);
/* oklch */ color: oklch(71.8% 0.209 139.3);
Tailwind
colors: {
  custom: {
    50: '#8ed570',
    500: '#51c12a',
    950: '#000000',
  },
}
SCSS
$custom: #51c12a;
$custom-light: #8ed570;
$custom-dark: #000000;
JSON
{
  "hex": "#51c12a",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 42
  },
  "hsl": {
    "h": 104.503,
    "s": 64.255,
    "l": 46.078
  },
  "oklch": {
    "l": 0.71815,
    "c": 0.20902,
    "h": 139.3
  },
  "luminance": 0.40056
}

Semantic roles & 50–950 ramp

primary
#51C12A
secondary
#B77ACD
accent
#41E7BC
background
#F9FDF7
surface
#F2FAED
border
#CCD3C8
text
#0E1408
muted
#7E837B

Preview Lab

Preview with #51C12A

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

Preview Lab → · Contrast checker → · Palette generator →

#51C12A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva