#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
RGB	rgb(169, 212, 49)
HSL	hsl(76, 65%, 51%)
HSV	hsv(76, 77%, 83%)
CMYK	cmyk(20.3%, 0%, 76.9%, 16.9%)
CIE-LAB	lab(79.47, -35.37, 69.97)
CIE-LCH	lch(79.47, 78.40, 116.82°)
OKLab	oklab(81.1% -0.1034 0.154)
OKLCH	oklch(81.1% 0.186 123.9)
XYZ	xyz(40.4605, 55.7434, 11.5331)
Luminance	0.5574 (WCAG relative)
Temperature	warm
Family	yellow-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
##A9D431	1.00	1.73	12.15	12.15
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.15	21.00	1.00	1.00
##000000	12.15	21.00	1.00	1.00

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 →