#57EF5B#57EF5B

#57EF5B is a very light, highly saturated green. Relative luminance 0.645; OKLCH L 84.1% C 0.229 H 143.6°. Best body text is #000000 at 13.90:1 contrast (WCAG AA passes).

Color values

HEX#57EF5B
RGBrgb(87, 239, 91)
HSLhsl(122, 83%, 64%)
HSVhsv(122, 64%, 94%)
CMYKcmyk(63.6%, 0%, 61.9%, 6.3%)
CIE-LABlab(84.23, -67.99, 58.34)
CIE-LCHlch(84.23, 89.59, 139.37°)
OKLaboklab(84.15% -0.1845 0.1361)
OKLCHoklch(84.15% 0.229 143.6)
XYZxyz(36.6831, 64.5109, 20.4142)
Luminance0.6452 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57EF5B #EF57EB
analogous
#9FEF57 #57EF5B #57EFA7
triadic
#57EF5B #5B57EF #EF5B57
tetradic
#57EF5B #579FEF #EF57EB #EFA757
square
#57EF5B #579FEF #EF57EB #EFA757
split-complementary
#57EF5B #A757EF #EF579F
monochromatic
#12BA16 #1FEA24 #57EF5B #8FF492 #C7FAC8

Accessibility & contrast

On white

1.51
#57EF5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.90
#57EF5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57EF5B
13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57EF5B#FFFFFF#000000##000000
##57EF5B1.001.5113.9013.90
#FFFFFF1.511.0021.0021.00
#00000013.9021.001.001.00
##00000013.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#F4DA4A
Deuteranopia (green-blind)
#E1CD68
Tritanopia (blue-blind)
#34E9D0
Achromatopsia (no color)
#D2D2D2

Design tokens & code

CSS
--color: #57ef5b;
/* rgb */ color: rgb(87, 239, 91);
/* oklch */ color: oklch(84.1% 0.229 143.6);
Tailwind
colors: {
  custom: {
    50: '#97f58f',
    500: '#57ef5b',
    950: '#000000',
  },
}
SCSS
$custom: #57ef5b;
$custom-light: #97f58f;
$custom-dark: #000000;
JSON
{
  "hex": "#57ef5b",
  "rgb": {
    "r": 87,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 121.579,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.84145,
    "c": 0.22925,
    "h": 143.6
  },
  "luminance": 0.64515
}

Semantic roles & 50–950 ramp

primary
#57EF5B
secondary
#B931B5
accent
#06D9DF
background
#FCFFFC
surface
#F5FFF4
border
#CFD7CE
text
#0F170D
muted
#80857F

Preview Lab

Preview with #57EF5B

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

Preview Lab → · Contrast checker → · Palette generator →

#57EF5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva