#51E65B#51E65B

#51E65B is a light, highly saturated green. Relative luminance 0.591; OKLCH L 81.7% C 0.221 H 144.2°. Best body text is #000000 at 12.82:1 contrast (WCAG AA passes).

Color values

HEX#51E65B
RGBrgb(81, 230, 91)
HSLhsl(124, 75%, 61%)
HSVhsv(124, 65%, 90%)
CMYKcmyk(64.8%, 0%, 60.4%, 9.8%)
CIE-LABlab(81.34, -66.13, 55.04)
CIE-LCHlch(81.34, 86.04, 140.23°)
OKLaboklab(81.72% -0.1791 0.1291)
OKLCHoklch(81.72% 0.221 144.2)
XYZxyz(33.5764, 59.0948, 19.5325)
Luminance0.5910 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E65B #E651DC
analogous
#91E651 #51E65B #51E6A5
triadic
#51E65B #5B51E6 #E65B51
tetradic
#51E65B #5191E6 #E651DC #E6A551
square
#51E65B #5191E6 #E651DC #E6A551
split-complementary
#51E65B #A551E6 #E65191
monochromatic
#18A521 #1FDA2C #51E65B #87EE8D #BCF5C0

Accessibility & contrast

On white

1.64
#51E65B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.82
#51E65B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E65B
12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E65B#FFFFFF#000000##000000
##51E65B1.001.6412.8212.82
#FFFFFF1.641.0021.0021.00
#00000012.8221.001.001.00
##00000012.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#EAD24C
Deuteranopia (green-blind)
#D8C567
Tritanopia (blue-blind)
#2BE0C8
Achromatopsia (no color)
#CACACA

Design tokens & code

CSS
--color: #51e65b;
/* rgb */ color: rgb(81, 230, 91);
/* oklch */ color: oklch(81.7% 0.221 144.2);
Tailwind
colors: {
  custom: {
    50: '#93ef8e',
    500: '#51e65b',
    950: '#000000',
  },
}
SCSS
$custom: #51e65b;
$custom-light: #93ef8e;
$custom-dark: #000000;
JSON
{
  "hex": "#51e65b",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 91
  },
  "hsl": {
    "h": 124.027,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.81716,
    "c": 0.22078,
    "h": 144.2
  },
  "luminance": 0.59098
}

Semantic roles & 50–950 ramp

primary
#51E65B
secondary
#A7349F
accent
#0ECAD7
background
#FCFFFC
surface
#F5FEF4
border
#CFD6CE
text
#0E170D
muted
#7F857F

Preview Lab

Preview with #51E65B

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

Preview Lab → · Contrast checker → · Palette generator →

#51E65B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva