#57C221#57C221

#57C221 is a light, highly saturated yellow-green. Relative luminance 0.407; OKLCH L 72.2% C 0.211 H 138.0°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX#57C221
RGBrgb(87, 194, 33)
HSLhsl(100, 71%, 45%)
HSVhsv(100, 83%, 76%)
CMYKcmyk(55.2%, 0%, 83%, 23.9%)
CIE-LABlab(69.98, -56.79, 64.26)
CIE-LCHlch(69.98, 85.76, 131.47°)
OKLaboklab(72.25% -0.1573 0.1414)
OKLCHoklch(72.25% 0.211 138)
XYZxyz(23.4959, 40.7177, 8.0597)
Luminance0.4072 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57C221 #8C21C2
analogous
#A8C221 #57C221 #21C23C
triadic
#57C221 #2157C2 #C22157
tetradic
#57C221 #21A8C2 #8C21C2 #C23C21
square
#57C221 #21A8C2 #8C21C2 #C23C21
split-complementary
#57C221 #3C21C2 #C221A8
monochromatic
#28590F #408E18 #57C221 #76DF41 #9CE876

Accessibility & contrast

On white

2.30
#57C221 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.14
#57C221 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C221
9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57C221#FFFFFF#000000##000000
##57C2211.002.309.149.14
#FFFFFF2.301.0021.0021.00
#0000009.1421.001.001.00
##0000009.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#C8B000
Deuteranopia (green-blind)
#BBA836
Tritanopia (blue-blind)
#4EBBA5
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #57c221;
/* rgb */ color: rgb(87, 194, 33);
/* oklch */ color: oklch(72.2% 0.211 138.0);
Tailwind
colors: {
  custom: {
    50: '#92d56c',
    500: '#57c221',
    950: '#000000',
  },
}
SCSS
$custom: #57c221;
$custom-light: #92d56c;
$custom-dark: #000000;
JSON
{
  "hex": "#57c221",
  "rgb": {
    "r": 87,
    "g": 194,
    "b": 33
  },
  "hsl": {
    "h": 99.876,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.72245,
    "c": 0.21146,
    "h": 138
  },
  "luminance": 0.4072
}

Semantic roles & 50–950 ramp

primary
#57C221
secondary
#AF70CF
accent
#3AEEB1
background
#F9FDF6
surface
#F2FAEC
border
#CCD3C7
text
#0E1408
muted
#7E837A

Preview Lab

Preview with #57C221

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

Preview Lab → · Contrast checker → · Palette generator →

#57C221 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva