#51D55E#51D55E

#51D55E is a light, vivid green. Relative luminance 0.501; OKLCH L 77.4% C 0.198 H 145.0°. Best body text is #000000 at 11.03:1 contrast (WCAG AA passes).

Color values

HEX#51D55E
RGBrgb(81, 213, 94)
HSLhsl(126, 61%, 58%)
HSVhsv(126, 62%, 84%)
CMYKcmyk(62%, 0%, 55.9%, 16.5%)
CIE-LABlab(76.16, -59.83, 47.67)
CIE-LCHlch(76.16, 76.49, 141.45°)
OKLaboklab(77.44% -0.162 0.1134)
OKLCHoklch(77.44% 0.198 145)
XYZxyz(29.2061, 50.1431, 18.7270)
Luminance0.5015 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D55E #D551C8
analogous
#86D551 #51D55E #51D5A0
triadic
#51D55E #5E51D5 #D55E51
tetradic
#51D55E #5186D5 #D551C8 #D5A051
square
#51D55E #5186D5 #D551C8 #D5A051
split-complementary
#51D55E #A051D5 #D55186
monochromatic
#218A2C #2DBC3B #51D55E #82E18C #B4EDB9

Accessibility & contrast

On white

1.90
#51D55E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.03
#51D55E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D55E
11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D55E#FFFFFF#000000##000000
##51D55E1.001.9011.0311.03
#FFFFFF1.901.0021.0021.00
#00000011.0321.001.001.00
##00000011.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#D8C352
Deuteranopia (green-blind)
#C8B767
Tritanopia (blue-blind)
#32D0BB
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #51d55e;
/* rgb */ color: rgb(81, 213, 94);
/* oklch */ color: oklch(77.4% 0.198 145.0);
Tailwind
colors: {
  custom: {
    50: '#90e38f',
    500: '#51d55e',
    950: '#000000',
  },
}
SCSS
$custom: #51d55e;
$custom-light: #90e38f;
$custom-dark: #000000;
JSON
{
  "hex": "#51d55e",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 94
  },
  "hsl": {
    "h": 125.909,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77441,
    "c": 0.1977,
    "h": 145
  },
  "luminance": 0.50146
}

Semantic roles & 50–950 ramp

primary
#51D55E
secondary
#903A88
accent
#44D4E4
background
#FCFEFC
surface
#F5FCF4
border
#CFD5CE
text
#0E160D
muted
#7F847F

Preview Lab

Preview with #51D55E

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

Preview Lab → · Contrast checker → · Palette generator →

#51D55E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva