#A4C631#A4C631

#A4C631 is a light, vivid yellow-green. Relative luminance 0.485; OKLCH L 77.5% C 0.171 H 122.0°. Best body text is #000000 at 10.70:1 contrast (WCAG AA passes).

Color values

HEX#A4C631
RGBrgb(164, 198, 49)
HSLhsl(74, 60%, 48%)
HSVhsv(74, 75%, 78%)
CMYKcmyk(17.2%, 0%, 75.3%, 22.4%)
CIE-LABlab(75.14, -30.89, 65.81)
CIE-LCHlch(75.14, 72.70, 115.14°)
OKLaboklab(77.52% -0.0909 0.1454)
OKLCHoklch(77.52% 0.171 122)
XYZxyz(36.0589, 48.5024, 10.3674)
Luminance0.4850 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A4C631 #5331C6
analogous
#C69D31 #A4C631 #59C631
triadic
#A4C631 #31A4C6 #C631A4
tetradic
#A4C631 #31C69D #5331C6 #C63159
square
#A4C631 #31C69D #5331C6 #C63159
split-complementary
#A4C631 #3159C6 #9D31C6
monochromatic
#536419 #7B9525 #A4C631 #BBD75D #D0E38E

Accessibility & contrast

On white

1.96
#A4C631 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.70
#A4C631 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4C631
10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A4C631#FFFFFF#000000##000000
##A4C6311.001.9610.7010.70
#FFFFFF1.961.0021.0021.00
#00000010.7021.001.001.00
##00000010.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2BA0C
Deuteranopia (green-blind)
#CEB93F
Tritanopia (blue-blind)
#ADBCAA
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #a4c631;
/* rgb */ color: rgb(164, 198, 49);
/* oklch */ color: oklch(77.5% 0.171 122.0);
Tailwind
colors: {
  custom: {
    50: '#c3d775',
    500: '#a4c631',
    950: '#000000',
  },
}
SCSS
$custom: #a4c631;
$custom-light: #c3d775;
$custom-dark: #000000;
JSON
{
  "hex": "#a4c631",
  "rgb": {
    "r": 164,
    "g": 198,
    "b": 49
  },
  "hsl": {
    "h": 73.691,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.77518,
    "c": 0.17146,
    "h": 122
  },
  "luminance": 0.48502
}

Semantic roles & 50–950 ramp

primary
#A4C631
secondary
#9685CE
accent
#44E369
background
#FCFDF7
surface
#F8FAED
border
#D1D3C8
text
#131409
muted
#82837B

Preview Lab

Preview with #A4C631

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

Preview Lab → · Contrast checker → · Palette generator →

#A4C631 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva