#A9D431#A9D431

#A9D431 is a light, vivid yellow-green. Relative luminance 0.557; OKLCH L 81.1% C 0.186 H 123.9°. Best body text is #000000 at 12.15:1 contrast (WCAG AA passes).

Color values

HEX#A9D431
RGBrgb(169, 212, 49)
HSLhsl(76, 65%, 51%)
HSVhsv(76, 77%, 83%)
CMYKcmyk(20.3%, 0%, 76.9%, 16.9%)
CIE-LABlab(79.47, -35.37, 69.97)
CIE-LCHlch(79.47, 78.40, 116.82°)
OKLaboklab(81.1% -0.1034 0.154)
OKLCHoklch(81.1% 0.186 123.9)
XYZxyz(40.4605, 55.7434, 11.5331)
Luminance0.5574 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A9D431 #5C31D4
analogous
#D4AD31 #A9D431 #57D431
triadic
#A9D431 #31A9D4 #D431A9
tetradic
#A9D431 #31D4AD #5C31D4 #D43157
square
#A9D431 #31D4AD #5C31D4 #D43157
split-complementary
#A9D431 #3157D4 #AD31D4
monochromatic
#5B7318 #83A523 #A9D431 #BEDF64 #D3E996

Accessibility & contrast

On white

1.73
#A9D431 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.15
#A9D431 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9D431
12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A9D431#FFFFFF#000000##000000
##A9D4311.001.7312.1512.15
#FFFFFF1.731.0021.0021.00
#00000012.1521.001.001.00
##00000012.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#E0C600
Deuteranopia (green-blind)
#DBC541
Tritanopia (blue-blind)
#B1C9B6
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #a9d431;
/* rgb */ color: rgb(169, 212, 49);
/* oklch */ color: oklch(81.1% 0.186 123.9);
Tailwind
colors: {
  custom: {
    50: '#c7e176',
    500: '#a9d431',
    950: '#000000',
  },
}
SCSS
$custom: #a9d431;
$custom-light: #c7e176;
$custom-dark: #000000;
JSON
{
  "hex": "#a9d431",
  "rgb": {
    "r": 169,
    "g": 212,
    "b": 49
  },
  "hsl": {
    "h": 75.828,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.81099,
    "c": 0.18552,
    "h": 123.9
  },
  "luminance": 0.55744
}

Semantic roles & 50–950 ramp

primary
#A9D431
secondary
#422E7B
accent
#3FE86C
background
#FEFEFB
surface
#FBFCF1
border
#D4D5CB
text
#141509
muted
#83847D

Preview Lab

Preview with #A9D431

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

Preview Lab → · Contrast checker → · Palette generator →

#A9D431 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva