#51BD2A#51BD2A

#51BD2A is a light, highly saturated green. Relative luminance 0.383; OKLCH L 70.8% C 0.204 H 139.1°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX#51BD2A
RGBrgb(81, 189, 42)
HSLhsl(104, 64%, 45%)
HSVhsv(104, 78%, 74%)
CMYKcmyk(57.1%, 0%, 77.8%, 25.9%)
CIE-LABlab(68.25, -56.11, 60.03)
CIE-LCHlch(68.25, 82.17, 133.06°)
OKLaboklab(70.77% -0.1546 0.1339)
OKLCHoklch(70.77% 0.204 139.1)
XYZxyz(22.0080, 38.3098, 8.4248)
Luminance0.3831 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BD2A #962ABD
analogous
#9ABD2A #51BD2A #2ABD4D
triadic
#51BD2A #2A51BD #BD2A51
tetradic
#51BD2A #2A9ABD #962ABD #BD4D2A
square
#51BD2A #2A9ABD #962ABD #BD4D2A
split-complementary
#51BD2A #4D2ABD #BD2A9A
monochromatic
#265914 #3C8B1F #51BD2A #72D74D #99E37F

Accessibility & contrast

On white

2.42
#51BD2A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.66
#51BD2A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BD2A
8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BD2A#FFFFFF#000000##000000
##51BD2A1.002.428.668.66
#FFFFFF2.421.0021.0021.00
#0000008.6621.001.001.00
##0000008.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#C3AC00
Deuteranopia (green-blind)
#B5A33B
Tritanopia (blue-blind)
#45B6A2
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #51bd2a;
/* rgb */ color: rgb(81, 189, 42);
/* oklch */ color: oklch(70.8% 0.204 139.1);
Tailwind
colors: {
  custom: {
    50: '#8ed26f',
    500: '#51bd2a',
    950: '#000000',
  },
}
SCSS
$custom: #51bd2a;
$custom-light: #8ed26f;
$custom-dark: #000000;
JSON
{
  "hex": "#51bd2a",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 42
  },
  "hsl": {
    "h": 104.082,
    "s": 63.636,
    "l": 45.294
  },
  "oklch": {
    "l": 0.70774,
    "c": 0.20448,
    "h": 139.1
  },
  "luminance": 0.38312
}

Semantic roles & 50–950 ramp

primary
#51BD2A
secondary
#B578CB
accent
#41E7BB
background
#F9FDF7
surface
#F2FAED
border
#CCD3C8
text
#0D1408
muted
#7E837B

Preview Lab

Preview with #51BD2A

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

Preview Lab → · Contrast checker → · Palette generator →

#51BD2A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva