#51CE55#51CE55

#51CE55 is a light, vivid green. Relative luminance 0.465; OKLCH L 75.5% C 0.196 H 143.8°. Best body text is #000000 at 10.31:1 contrast (WCAG AA passes).

Color values

HEX#51CE55
RGBrgb(81, 206, 85)
HSLhsl(122, 56%, 56%)
HSVhsv(122, 61%, 81%)
CMYKcmyk(60.7%, 0%, 58.7%, 19.2%)
CIE-LABlab(73.90, -58.39, 49.13)
CIE-LCHlch(73.90, 76.31, 139.92°)
OKLaboklab(75.55% -0.1584 0.1158)
OKLCHoklch(75.55% 0.196 143.8)
XYZxyz(27.1028, 46.5452, 16.1484)
Luminance0.4655 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CE55 #CE51CA
analogous
#8CCE51 #51CE55 #51CE94
triadic
#51CE55 #5551CE #CE5551
tetradic
#51CE55 #518CCE #CE51CA #CE9451
square
#51CE55 #518CCE #CE51CA #CE9451
split-complementary
#51CE55 #9451CE #CE518C
monochromatic
#248027 #32B036 #51CE55 #81DB84 #B1E9B2

Accessibility & contrast

On white

2.04
#51CE55 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.31
#51CE55 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CE55
10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CE55#FFFFFF#000000##000000
##51CE551.002.0410.3110.31
#FFFFFF2.041.0021.0021.00
#00000010.3121.001.001.00
##00000010.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2BC48
Deuteranopia (green-blind)
#C2B25F
Tritanopia (blue-blind)
#38C9B4
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #51ce55;
/* rgb */ color: rgb(81, 206, 85);
/* oklch */ color: oklch(75.5% 0.196 143.8);
Tailwind
colors: {
  custom: {
    50: '#8fde89',
    500: '#51ce55',
    950: '#000000',
  },
}
SCSS
$custom: #51ce55;
$custom-light: #8fde89;
$custom-dark: #000000;
JSON
{
  "hex": "#51ce55",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 85
  },
  "hsl": {
    "h": 121.92,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.75546,
    "c": 0.19626,
    "h": 143.8
  },
  "luminance": 0.46548
}

Semantic roles & 50–950 ramp

primary
#51CE55
secondary
#D7A4D5
accent
#48DBDF
background
#F9FDF8
surface
#F2FBF0
border
#CCD4CB
text
#0E150C
muted
#7E837D

Preview Lab

Preview with #51CE55

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

Preview Lab → · Contrast checker → · Palette generator →

#51CE55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva