#51E67B#51E67B

#51E67B is a very light, vivid green. Relative luminance 0.598; OKLCH L 82.1% C 0.194 H 149.2°. Best body text is #000000 at 12.95:1 contrast (WCAG AA passes).

Color values

HEX#51E67B
RGBrgb(81, 230, 123)
HSLhsl(137, 75%, 61%)
HSVhsv(137, 65%, 90%)
CMYKcmyk(64.8%, 0%, 46.5%, 9.8%)
CIE-LABlab(81.71, -61.90, 40.66)
CIE-LCHlch(81.71, 74.06, 146.70°)
OKLaboklab(82.14% -0.1669 0.0993)
OKLCHoklch(82.14% 0.194 149.2)
XYZxyz(35.2626, 59.7693, 28.4133)
Luminance0.5977 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E67B #E651BC
analogous
#71E651 #51E67B #51E6C5
triadic
#51E67B #7B51E6 #E67B51
tetradic
#51E67B #5171E6 #E651BC #E6C551
square
#51E67B #5171E6 #E651BC #E6C551
split-complementary
#51E67B #C551E6 #E65171
monochromatic
#18A53F #1FDA54 #51E67B #87EEA4 #BCF5CC

Accessibility & contrast

On white

1.62
#51E67B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.95
#51E67B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E67B
12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E67B#FFFFFF#000000##000000
##51E67B1.001.6212.9512.95
#FFFFFF1.621.0021.0021.00
#00000012.9521.001.001.00
##00000012.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#E8D373
Deuteranopia (green-blind)
#D5C682
Tritanopia (blue-blind)
#14E2CD
Achromatopsia (no color)
#CBCBCB

Design tokens & code

CSS
--color: #51e67b;
/* rgb */ color: rgb(81, 230, 123);
/* oklch */ color: oklch(82.1% 0.194 149.2);
Tailwind
colors: {
  custom: {
    50: '#92efa3',
    500: '#51e67b',
    950: '#000000',
  },
}
SCSS
$custom: #51e67b;
$custom-light: #92efa3;
$custom-dark: #000000;
JSON
{
  "hex": "#51e67b",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 123
  },
  "hsl": {
    "h": 136.913,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.8214,
    "c": 0.19426,
    "h": 149.2
  },
  "luminance": 0.59773
}

Semantic roles & 50–950 ramp

primary
#51E67B
secondary
#A73487
accent
#0E9ED7
background
#FCFFFC
surface
#F5FEF5
border
#CFD6CF
text
#0E170F
muted
#7F8580

Preview Lab

Preview with #51E67B

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

Preview Lab → · Contrast checker → · Palette generator →

#51E67B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva