#57EF6B#57EF6B

#57EF6B is a very light, highly saturated green. Relative luminance 0.648; OKLCH L 84.3% C 0.217 H 145.6°. Best body text is #000000 at 13.96:1 contrast (WCAG AA passes).

Color values

HEX#57EF6B
RGBrgb(87, 239, 107)
HSLhsl(128, 83%, 64%)
HSVhsv(128, 64%, 94%)
CMYKcmyk(63.6%, 0%, 55.2%, 6.3%)
CIE-LABlab(84.39, -66.16, 51.53)
CIE-LCHlch(84.39, 83.86, 142.09°)
OKLaboklab(84.33% -0.1789 0.1227)
OKLCHoklch(84.33% 0.217 145.6)
XYZxyz(37.4484, 64.8170, 24.4445)
Luminance0.6482 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57EF6B #EF57DB
analogous
#8FEF57 #57EF6B #57EFB7
triadic
#57EF6B #6B57EF #EF6B57
tetradic
#57EF6B #578FEF #EF57DB #EFB757
square
#57EF6B #578FEF #EF57DB #EFB757
split-complementary
#57EF6B #B757EF #EF578F
monochromatic
#12BA28 #1FEA3A #57EF6B #8FF49C #C7FACD

Accessibility & contrast

On white

1.50
#57EF6B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.96
#57EF6B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57EF6B
13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57EF6B#FFFFFF#000000##000000
##57EF6B1.001.5013.9613.96
#FFFFFF1.501.0021.0021.00
#00000013.9621.001.001.00
##00000013.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#F3DA5E
Deuteranopia (green-blind)
#E0CE75
Tritanopia (blue-blind)
#2EE9D2
Achromatopsia (no color)
#D3D3D3

Design tokens & code

CSS
--color: #57ef6b;
/* rgb */ color: rgb(87, 239, 107);
/* oklch */ color: oklch(84.3% 0.217 145.6);
Tailwind
colors: {
  custom: {
    50: '#96f599',
    500: '#57ef6b',
    950: '#000000',
  },
}
SCSS
$custom: #57ef6b;
$custom-light: #96f599;
$custom-dark: #000000;
JSON
{
  "hex": "#57ef6b",
  "rgb": {
    "r": 87,
    "g": 239,
    "b": 107
  },
  "hsl": {
    "h": 127.895,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.84327,
    "c": 0.21692,
    "h": 145.6
  },
  "luminance": 0.64821
}

Semantic roles & 50–950 ramp

primary
#57EF6B
secondary
#B931A7
accent
#06C3DF
background
#FCFFFC
surface
#F5FFF5
border
#CFD7CF
text
#0F170E
muted
#80857F

Preview Lab

Preview with #57EF6B

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

Preview Lab → · Contrast checker → · Palette generator →

#57EF6B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva