#51E664#51E664

#51E664 is a light, highly saturated green. Relative luminance 0.593; OKLCH L 81.8% C 0.214 H 145.4°. Best body text is #000000 at 12.85:1 contrast (WCAG AA passes).

Color values

HEX#51E664
RGBrgb(81, 230, 100)
HSLhsl(128, 75%, 61%)
HSVhsv(128, 65%, 90%)
CMYKcmyk(64.8%, 0%, 56.5%, 9.8%)
CIE-LABlab(81.43, -65.08, 51.16)
CIE-LCHlch(81.43, 82.78, 141.83°)
OKLaboklab(81.82% -0.1759 0.1214)
OKLCHoklch(81.82% 0.214 145.4)
XYZxyz(33.9882, 59.2596, 21.7012)
Luminance0.5926 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E664 #E651D3
analogous
#88E651 #51E664 #51E6AE
triadic
#51E664 #6451E6 #E66451
tetradic
#51E664 #5188E6 #E651D3 #E6AE51
square
#51E664 #5188E6 #E651D3 #E6AE51
split-complementary
#51E664 #AE51E6 #E65188
monochromatic
#18A52A #1FDA37 #51E664 #87EE94 #BCF5C3

Accessibility & contrast

On white

1.63
#51E664 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.85
#51E664 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E664
12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E664#FFFFFF#000000##000000
##51E6641.001.6312.8512.85
#FFFFFF1.631.0021.0021.00
#00000012.8521.001.001.00
##00000012.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#EAD257
Deuteranopia (green-blind)
#D7C56E
Tritanopia (blue-blind)
#26E0C9
Achromatopsia (no color)
#CACACA

Design tokens & code

CSS
--color: #51e664;
/* rgb */ color: rgb(81, 230, 100);
/* oklch */ color: oklch(81.8% 0.214 145.4);
Tailwind
colors: {
  custom: {
    50: '#92ef94',
    500: '#51e664',
    950: '#000000',
  },
}
SCSS
$custom: #51e664;
$custom-light: #92ef94;
$custom-dark: #000000;
JSON
{
  "hex": "#51e664",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 100
  },
  "hsl": {
    "h": 127.651,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.8182,
    "c": 0.21378,
    "h": 145.4
  },
  "luminance": 0.59263
}

Semantic roles & 50–950 ramp

primary
#51E664
secondary
#A73498
accent
#0EBDD7
background
#FCFFFC
surface
#F5FEF4
border
#CFD6CE
text
#0E170D
muted
#7F857F

Preview Lab

Preview with #51E664

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

Preview Lab → · Contrast checker → · Palette generator →

#51E664 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva