#A4C538#A4C538

#A4C538 is a light, vivid yellow-green. Relative luminance 0.481; OKLCH L 77.3% C 0.166 H 122.0°. Best body text is #000000 at 10.62:1 contrast (WCAG AA passes).

Color values

HEX#A4C538
RGBrgb(164, 197, 56)
HSLhsl(74, 56%, 50%)
HSVhsv(74, 72%, 77%)
CMYKcmyk(16.8%, 0%, 71.6%, 22.7%)
CIE-LABlab(74.89, -30.06, 63.20)
CIE-LCHlch(74.89, 69.98, 115.43°)
OKLaboklab(77.33% -0.088 0.141)
OKLCHoklch(77.33% 0.166 122)
XYZxyz(35.9904, 48.1105, 11.1308)
Luminance0.4811 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A4C538 #5938C5
analogous
#C5A038 #A4C538 #5DC538
triadic
#A4C538 #38A4C5 #C538A4
tetradic
#A4C538 #38C5A0 #5938C5 #C5385D
square
#A4C538 #38C5A0 #5938C5 #C5385D
split-complementary
#A4C538 #385DC5 #A038C5
monochromatic
#55661D #7C952A #A4C538 #BAD467 #D0E196

Accessibility & contrast

On white

1.98
#A4C538 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.62
#A4C538 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4C538
10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A4C538#FFFFFF#000000##000000
##A4C5381.001.9810.6210.62
#FFFFFF1.981.0021.0021.00
#00000010.6221.001.001.00
##00000010.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1B91E
Deuteranopia (green-blind)
#CDB844
Tritanopia (blue-blind)
#ADBBAA
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #a4c538;
/* rgb */ color: rgb(164, 197, 56);
/* oklch */ color: oklch(77.3% 0.166 122.0);
Tailwind
colors: {
  custom: {
    50: '#c2d678',
    500: '#a4c538',
    950: '#000000',
  },
}
SCSS
$custom: #a4c538;
$custom-light: #c2d678;
$custom-dark: #000000;
JSON
{
  "hex": "#a4c538",
  "rgb": {
    "r": 164,
    "g": 197,
    "b": 56
  },
  "hsl": {
    "h": 74.043,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.77332,
    "c": 0.16624,
    "h": 122
  },
  "luminance": 0.48111
}

Semantic roles & 50–950 ramp

primary
#A4C538
secondary
#9B8CCD
accent
#49DF6C
background
#FCFDF7
surface
#F8FAEE
border
#D1D3C9
text
#131409
muted
#82837B

Preview Lab

Preview with #A4C538

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

Preview Lab → · Contrast checker → · Palette generator →

#A4C538 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva