#51E55E#51E55E

#51E55E is a light, highly saturated green. Relative luminance 0.586; OKLCH L 81.5% C 0.217 H 144.6°. Best body text is #000000 at 12.72:1 contrast (WCAG AA passes).

Color values

HEX#51E55E
RGBrgb(81, 229, 94)
HSLhsl(125, 74%, 61%)
HSVhsv(125, 65%, 90%)
CMYKcmyk(64.6%, 0%, 59%, 10.2%)
CIE-LABlab(81.07, -65.45, 53.41)
CIE-LCHlch(81.07, 84.48, 140.78°)
OKLaboklab(81.5% -0.1772 0.1258)
OKLCHoklch(81.5% 0.217 144.6)
XYZxyz(33.4309, 58.5927, 20.1352)
Luminance0.5860 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E55E #E551D8
analogous
#8EE551 #51E55E #51E5A8
triadic
#51E55E #5E51E5 #E55E51
tetradic
#51E55E #518EE5 #E551D8 #E5A851
square
#51E55E #518EE5 #E551D8 #E5A851
split-complementary
#51E55E #A851E5 #E5518E
monochromatic
#18A325 #20D831 #51E55E #86ED8F #BBF5C1

Accessibility & contrast

On white

1.65
#51E55E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.72
#51E55E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E55E
12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E55E#FFFFFF#000000##000000
##51E55E1.001.6512.7212.72
#FFFFFF1.651.0021.0021.00
#00000012.7221.001.001.00
##00000012.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9D150
Deuteranopia (green-blind)
#D7C569
Tritanopia (blue-blind)
#2ADFC8
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #51e55e;
/* rgb */ color: rgb(81, 229, 94);
/* oklch */ color: oklch(81.5% 0.217 144.6);
Tailwind
colors: {
  custom: {
    50: '#92ee90',
    500: '#51e55e',
    950: '#000000',
  },
}
SCSS
$custom: #51e55e;
$custom-light: #92ee90;
$custom-dark: #000000;
JSON
{
  "hex": "#51e55e",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 94
  },
  "hsl": {
    "h": 125.27,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.81497,
    "c": 0.2173,
    "h": 144.6
  },
  "luminance": 0.58596
}

Semantic roles & 50–950 ramp

primary
#51E55E
secondary
#A6359C
accent
#0FC5D6
background
#FCFFFC
surface
#F5FEF4
border
#CFD6CE
text
#0E170D
muted
#7F857F

Preview Lab

Preview with #51E55E

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

Preview Lab → · Contrast checker → · Palette generator →

#51E55E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva