#51E691#51E691

#51E691 is a very light, vivid green. Relative luminance 0.604; OKLCH L 82.5% C 0.175 H 154.4°. Best body text is #000000 at 13.08:1 contrast (WCAG AA passes).

Color values

HEX#51E691
RGBrgb(81, 230, 145)
HSLhsl(146, 75%, 61%)
HSVhsv(146, 65%, 90%)
CMYKcmyk(64.8%, 0%, 37%, 9.8%)
CIE-LABlab(82.05, -58.20, 30.11)
CIE-LCHlch(82.05, 65.53, 152.64°)
OKLaboklab(82.52% -0.1575 0.0753)
OKLCHoklch(82.52% 0.175 154.4)
XYZxyz(36.7978, 60.3834, 36.4985)
Luminance0.6039 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E691 #E651A6
analogous
#5BE651 #51E691 #51E6DB
triadic
#51E691 #9151E6 #E69151
tetradic
#51E691 #515BE6 #E651A6 #E6DB51
square
#51E691 #515BE6 #E651A6 #E6DB51
split-complementary
#51E691 #DB51E6 #E6515B
monochromatic
#18A554 #1FDA70 #51E691 #87EEB3 #BCF5D5

Accessibility & contrast

On white

1.61
#51E691 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.08
#51E691 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E691
13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E691#FFFFFF#000000##000000
##51E6911.001.6113.0813.08
#FFFFFF1.611.0021.0021.00
#00000013.0821.001.001.00
##00000013.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#E6D48B
Deuteranopia (green-blind)
#D2C797
Tritanopia (blue-blind)
#00E3D0
Achromatopsia (no color)
#CCCCCC

Design tokens & code

CSS
--color: #51e691;
/* rgb */ color: rgb(81, 230, 145);
/* oklch */ color: oklch(82.5% 0.175 154.4);
Tailwind
colors: {
  custom: {
    50: '#91efb2',
    500: '#51e691',
    950: '#000000',
  },
}
SCSS
$custom: #51e691;
$custom-light: #91efb2;
$custom-dark: #000000;
JSON
{
  "hex": "#51e691",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 145
  },
  "hsl": {
    "h": 145.772,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.82524,
    "c": 0.17456,
    "h": 154.4
  },
  "luminance": 0.60387
}

Semantic roles & 50–950 ramp

primary
#51E691
secondary
#A73476
accent
#0E81D7
background
#FCFFFD
surface
#F5FEF7
border
#CFD6D0
text
#0E1711
muted
#7F8581

Preview Lab

Preview with #51E691

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

Preview Lab → · Contrast checker → · Palette generator →

#51E691 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva