#51D552#51D552

#51D552 is a light, highly saturated green. Relative luminance 0.499; OKLCH L 77.3% C 0.207 H 143.4°. Best body text is #000000 at 10.99:1 contrast (WCAG AA passes).

Color values

HEX#51D552
RGBrgb(81, 213, 82)
HSLhsl(120, 61%, 58%)
HSVhsv(120, 62%, 84%)
CMYKcmyk(62%, 0%, 61.5%, 16.5%)
CIE-LABlab(76.03, -61.23, 52.90)
CIE-LCHlch(76.03, 80.92, 139.17°)
OKLaboklab(77.3% -0.1663 0.1237)
OKLCHoklch(77.3% 0.207 143.4)
XYZxyz(28.7089, 49.9442, 16.1083)
Luminance0.4995 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D552 #D551D4
analogous
#92D551 #51D552 #51D594
triadic
#51D552 #5251D5 #D55251
tetradic
#51D552 #5192D5 #D551D4 #D59451
square
#51D552 #5192D5 #D551D4 #D59451
split-complementary
#51D552 #9451D5 #D55192
monochromatic
#218A22 #2DBC2E #51D552 #82E183 #B4EDB4

Accessibility & contrast

On white

1.91
#51D552 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.99
#51D552 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D552
10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D552#FFFFFF#000000##000000
##51D5521.001.9110.9910.99
#FFFFFF1.911.0021.0021.00
#00000010.9921.001.001.00
##00000010.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#D9C243
Deuteranopia (green-blind)
#C9B75D
Tritanopia (blue-blind)
#36CFB9
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #51d552;
/* rgb */ color: rgb(81, 213, 82);
/* oklch */ color: oklch(77.3% 0.207 143.4);
Tailwind
colors: {
  custom: {
    50: '#90e387',
    500: '#51d552',
    950: '#000000',
  },
}
SCSS
$custom: #51d552;
$custom-light: #90e387;
$custom-dark: #000000;
JSON
{
  "hex": "#51d552",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 82
  },
  "hsl": {
    "h": 120.455,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77301,
    "c": 0.20721,
    "h": 143.4
  },
  "luminance": 0.49947
}

Semantic roles & 50–950 ramp

primary
#51D552
secondary
#DBA6DB
accent
#44E3E4
background
#F9FEF8
surface
#F2FCF0
border
#CCD5CB
text
#0E160C
muted
#7E847D

Preview Lab

Preview with #51D552

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

Preview Lab → · Contrast checker → · Palette generator →

#51D552 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva