#51E454#51E454

#51E454 is a light, highly saturated green. Relative luminance 0.579; OKLCH L 81.1% C 0.224 H 143.5°. Best body text is #000000 at 12.58:1 contrast (WCAG AA passes).

Color values

HEX#51E454
RGBrgb(81, 228, 84)
HSLhsl(121, 73%, 61%)
HSVhsv(121, 64%, 89%)
CMYKcmyk(64.5%, 0%, 63.2%, 10.6%)
CIE-LABlab(80.67, -66.19, 57.25)
CIE-LCHlch(80.67, 87.52, 139.15°)
OKLaboklab(81.14% -0.1796 0.1331)
OKLCHoklch(81.14% 0.224 143.5)
XYZxyz(32.7350, 57.8729, 17.8312)
Luminance0.5788 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E454 #E451E1
analogous
#98E451 #51E454 #51E49D
triadic
#51E454 #5451E4 #E45451
tetradic
#51E454 #5198E4 #E451E1 #E49D51
square
#51E454 #5198E4 #E451E1 #E49D51
split-complementary
#51E454 #9D51E4 #E45198
monochromatic
#19A21C #21D725 #51E454 #86EC88 #BBF4BC

Accessibility & contrast

On white

1.67
#51E454 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.58
#51E454 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E454
12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E454#FFFFFF#000000##000000
##51E4541.001.6712.5812.58
#FFFFFF1.671.0021.0021.00
#00000012.5821.001.001.00
##00000012.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9D043
Deuteranopia (green-blind)
#D7C460
Tritanopia (blue-blind)
#2FDEC6
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #51e454;
/* rgb */ color: rgb(81, 228, 84);
/* oklch */ color: oklch(81.1% 0.224 143.5);
Tailwind
colors: {
  custom: {
    50: '#93ee8a',
    500: '#51e454',
    950: '#000000',
  },
}
SCSS
$custom: #51e454;
$custom-light: #93ee8a;
$custom-dark: #000000;
JSON
{
  "hex": "#51e454",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 84
  },
  "hsl": {
    "h": 121.224,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81136,
    "c": 0.22357,
    "h": 143.5
  },
  "luminance": 0.57876
}

Semantic roles & 50–950 ramp

primary
#51E454
secondary
#A435A2
accent
#10D1D5
background
#FCFFFC
surface
#F5FEF4
border
#CFD6CE
text
#0E160C
muted
#7F857F

Preview Lab

Preview with #51E454

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

Preview Lab → · Contrast checker → · Palette generator →

#51E454 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva