#ACF381#ACF381

#ACF381 is a very light, vivid yellow-green. Relative luminance 0.745; OKLCH L 89.2% C 0.163 H 134.8°. Best body text is #000000 at 15.89:1 contrast (WCAG AA passes).

Color values

HEX#ACF381
RGBrgb(172, 243, 129)
HSLhsl(97, 83%, 73%)
HSVhsv(97, 47%, 95%)
CMYKcmyk(29.2%, 0%, 46.9%, 4.7%)
CIE-LABlab(89.14, -41.57, 47.83)
CIE-LCHlch(89.14, 63.37, 131.00°)
OKLaboklab(89.2% -0.1145 0.1155)
OKLCHoklch(89.2% 0.163 134.8)
XYZxyz(53.0251, 74.4550, 32.3421)
Luminance0.7446 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#ACF381 #C881F3
analogous
#E5F381 #ACF381 #81F38F
triadic
#ACF381 #81ACF3 #F381AC
tetradic
#ACF381 #81E5F3 #C881F3 #F38F81
square
#ACF381 #81E5F3 #C881F3 #F38F81
split-complementary
#ACF381 #8F81F3 #F381E5
monochromatic
#63E416 #87EE49 #ACF381 #D1F8B9 #EDFCE3

Accessibility & contrast

On white

1.32
#ACF381 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.89
#ACF381 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACF381
15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##ACF381#FFFFFF#000000##000000
##ACF3811.001.3215.8915.89
#FFFFFF1.321.0021.0021.00
#00000015.8921.001.001.00
##00000015.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#FBE478
Deuteranopia (green-blind)
#F0DE88
Tritanopia (blue-blind)
#ACEBD8
Achromatopsia (no color)
#E0E0E0

Design tokens & code

CSS
--color: #acf381;
/* rgb */ color: rgb(172, 243, 129);
/* oklch */ color: oklch(89.2% 0.163 134.8);
Tailwind
colors: {
  custom: {
    50: '#c7f7a7',
    500: '#acf381',
    950: '#000000',
  },
}
SCSS
$custom: #acf381;
$custom-light: #c7f7a7;
$custom-dark: #000000;
JSON
{
  "hex": "#acf381",
  "rgb": {
    "r": 172,
    "g": 243,
    "b": 129
  },
  "hsl": {
    "h": 97.368,
    "s": 82.609,
    "l": 72.941
  },
  "oklch": {
    "l": 0.89202,
    "c": 0.16259,
    "h": 134.8
  },
  "luminance": 0.74457
}

Semantic roles & 50–950 ramp

primary
#ACF381
secondary
#9C4ACF
accent
#06DF8D
background
#FEFFFC
surface
#FAFFF6
border
#D3D7D0
text
#131710
muted
#838580

Preview Lab

Preview with #ACF381

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

Preview Lab → · Contrast checker → · Palette generator →

#ACF381 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva