#51EC4B#51EC4B

#51EC4B is a very light, highly saturated green. Relative luminance 0.622; OKLCH L 83.1% C 0.239 H 142.6°. Best body text is #000000 at 13.45:1 contrast (WCAG AA passes).

Color values

HEX#51EC4B
RGBrgb(81, 236, 75)
HSLhsl(118, 81%, 61%)
HSVhsv(118, 68%, 93%)
CMYKcmyk(65.7%, 0%, 68.2%, 7.5%)
CIE-LABlab(83.04, -69.70, 63.40)
CIE-LCHlch(83.04, 94.23, 137.71°)
OKLaboklab(83.08% -0.1896 0.1451)
OKLCHoklch(83.08% 0.239 142.6)
XYZxyz(34.6568, 62.2447, 16.8432)
Luminance0.6225 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51EC4B #E64BEC
analogous
#A1EC4B #51EC4B #4BEC95
triadic
#51EC4B #4B51EC #EC4B51
tetradic
#51EC4B #4BA1EC #E64BEC #EC954B
square
#51EC4B #4BA1EC #E64BEC #EC954B
split-complementary
#51EC4B #954BEC #EC4BA1
monochromatic
#18AB12 #1FE218 #51EC4B #87F282 #BCF8BA

Accessibility & contrast

On white

1.56
#51EC4B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.45
#51EC4B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EC4B
13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51EC4B#FFFFFF#000000##000000
##51EC4B1.001.5613.4513.45
#FFFFFF1.561.0021.0021.00
#00000013.4521.001.001.00
##00000013.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#F1D633
Deuteranopia (green-blind)
#DFCA5A
Tritanopia (blue-blind)
#2DE5CC
Achromatopsia (no color)
#CFCFCF

Design tokens & code

CSS
--color: #51ec4b;
/* rgb */ color: rgb(81, 236, 75);
/* oklch */ color: oklch(83.1% 0.239 142.6);
Tailwind
colors: {
  custom: {
    50: '#94f385',
    500: '#51ec4b',
    950: '#000000',
  },
}
SCSS
$custom: #51ec4b;
$custom-light: #94f385;
$custom-dark: #000000;
JSON
{
  "hex": "#51ec4b",
  "rgb": {
    "r": 81,
    "g": 236,
    "b": 75
  },
  "hsl": {
    "h": 117.764,
    "s": 80.905,
    "l": 60.98
  },
  "oklch": {
    "l": 0.83079,
    "c": 0.23875,
    "h": 142.6
  },
  "luminance": 0.62248
}

Semantic roles & 50–950 ramp

primary
#51EC4B
secondary
#A730AC
accent
#08DDD5
background
#FCFFFC
surface
#F5FEF3
border
#CFD6CD
text
#0F170C
muted
#80857F

Preview Lab

Preview with #51EC4B

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

Preview Lab → · Contrast checker → · Palette generator →

#51EC4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva