#51D559#51D559

#51D559 is a light, highly saturated green. Relative luminance 0.501; OKLCH L 77.4% C 0.202 H 144.3°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX#51D559
RGBrgb(81, 213, 89)
HSLhsl(124, 61%, 58%)
HSVhsv(124, 62%, 84%)
CMYKcmyk(62%, 0%, 58.2%, 16.5%)
CIE-LABlab(76.10, -60.43, 49.89)
CIE-LCHlch(76.10, 78.37, 140.46°)
OKLaboklab(77.38% -0.1638 0.1178)
OKLCHoklch(77.38% 0.202 144.3)
XYZxyz(28.9890, 50.0563, 17.5834)
Luminance0.5006 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D559 #D551CD
analogous
#8BD551 #51D559 #51D59B
triadic
#51D559 #5951D5 #D55951
tetradic
#51D559 #518BD5 #D551CD #D59B51
square
#51D559 #518BD5 #D551CD #D59B51
split-complementary
#51D559 #9B51D5 #D5518B
monochromatic
#218A28 #2DBC36 #51D559 #82E188 #B4EDB7

Accessibility & contrast

On white

1.91
#51D559 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.01
#51D559 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D559
11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D559#FFFFFF#000000##000000
##51D5591.001.9111.0111.01
#FFFFFF1.911.0021.0021.00
#00000011.0121.001.001.00
##00000011.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#D9C24C
Deuteranopia (green-blind)
#C8B763
Tritanopia (blue-blind)
#34D0BA
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #51d559;
/* rgb */ color: rgb(81, 213, 89);
/* oklch */ color: oklch(77.4% 0.202 144.3);
Tailwind
colors: {
  custom: {
    50: '#90e38c',
    500: '#51d559',
    950: '#000000',
  },
}
SCSS
$custom: #51d559;
$custom-light: #90e38c;
$custom-dark: #000000;
JSON
{
  "hex": "#51d559",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 89
  },
  "hsl": {
    "h": 123.636,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.7738,
    "c": 0.20177,
    "h": 144.3
  },
  "luminance": 0.50059
}

Semantic roles & 50–950 ramp

primary
#51D559
secondary
#903A8B
accent
#44DAE4
background
#FCFEFC
surface
#F5FCF4
border
#CFD5CE
text
#0E160C
muted
#7F847F

Preview Lab

Preview with #51D559

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

Preview Lab → · Contrast checker → · Palette generator →

#51D559 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva