#A9CD39#A9CD39

#A9CD39 is a light, vivid yellow-green. Relative luminance 0.524; OKLCH L 79.5% C 0.173 H 122.5°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#A9CD39
RGB	rgb(169, 205, 57)
HSL	hsl(75, 60%, 51%)
HSV	hsv(75, 72%, 80%)
CMYK	cmyk(17.6%, 0%, 72.2%, 19.6%)
CIE-LAB	lab(77.52, -31.75, 65.53)
CIE-LCH	lch(77.52, 72.81, 115.85°)
OKLab	oklab(79.53% -0.0929 0.146)
OKLCH	oklch(79.53% 0.173 122.5)
XYZ	xyz(38.9325, 52.3929, 11.9319)
Luminance	0.5239 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9CD39 #5D39CD

analogous

#CDA739 #A9CD39 #5FCD39

triadic

#A9CD39 #39A9CD #CD39A9

tetradic

#A9CD39 #39CDA7 #5D39CD #CD395F

square

#A9CD39 #39CDA7 #5D39CD #CD395F

split-complementary

#A9CD39 #395FCD #A739CD

monochromatic

#5B6F1C #83A028 #A9CD39 #BED96A #D3E69B

Accessibility & contrast

On white

1.83

#A9CD39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#A9CD39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9CD39

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9CD39	#FFFFFF	#000000	##000000
##A9CD39	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C01D

Deuteranopia (green-blind)

#D4BF46

Tritanopia (blue-blind)

#B2C3B0

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #a9cd39;
/* rgb */ color: rgb(169, 205, 57);
/* oklch */ color: oklch(79.5% 0.173 122.5);

Tailwind

colors: {
  custom: {
    50: '#c6dc79',
    500: '#a9cd39',
    950: '#000000',
  },
}

SCSS

$custom: #a9cd39;
$custom-light: #c6dc79;
$custom-dark: #000000;

JSON

{
  "hex": "#a9cd39",
  "rgb": {
    "r": 169,
    "g": 205,
    "b": 57
  },
  "hsl": {
    "h": 74.595,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.79534,
    "c": 0.173,
    "h": 122.5
  },
  "luminance": 0.52393
}

Semantic roles & 50–950 ramp

primary

#A9CD39

secondary

#433279

accent

#45E36B

background

#FEFEFB

surface

#FAFCF2

border

#D3D5CC

text

#13150A

muted

#83847D

Preview Lab

Preview with #A9CD39

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

Preview Lab → · Contrast checker → · Palette generator →