#A9CF39#A9CF39

#A9CF39 is a light, vivid yellow-green. Relative luminance 0.534; OKLCH L 80.0% C 0.175 H 123.0°. Best body text is #000000 at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#A9CF39
RGB	rgb(169, 207, 57)
HSL	hsl(75, 61%, 52%)
HSV	hsv(75, 72%, 81%)
CMYK	cmyk(18.4%, 0%, 72.5%, 18.8%)
CIE-LAB	lab(78.08, -32.68, 66.08)
CIE-LCH	lch(78.08, 73.72, 116.32°)
OKLab	oklab(79.99% -0.0954 0.1471)
OKLCH	oklch(79.99% 0.175 123)
XYZ	xyz(39.4140, 53.3559, 12.0924)
Luminance	0.5336 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9CF39 #5F39CF

analogous

#CFAA39 #A9CF39 #5ECF39

triadic

#A9CF39 #39A9CF #CF39A9

tetradic

#A9CF39 #39CFAA #5F39CF #CF395E

square

#A9CF39 #39CFAA #5F39CF #CF395E

split-complementary

#A9CF39 #395ECF #AA39CF

monochromatic

#5C721C #84A328 #A9CF39 #BEDB6A #D4E79C

Accessibility & contrast

On white

1.80

#A9CF39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.67

#A9CF39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9CF39

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9CF39	#FFFFFF	#000000	##000000
##A9CF39	1.00	1.80	11.67	11.67
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.67	21.00	1.00	1.00
##000000	11.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC21C

Deuteranopia (green-blind)

#D6C146

Tritanopia (blue-blind)

#B2C5B2

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #a9cf39;
/* rgb */ color: rgb(169, 207, 57);
/* oklch */ color: oklch(80.0% 0.175 123.0);

Tailwind

colors: {
  custom: {
    50: '#c6dd79',
    500: '#a9cf39',
    950: '#000000',
  },
}

SCSS

$custom: #a9cf39;
$custom-light: #c6dd79;
$custom-dark: #000000;

JSON

{
  "hex": "#a9cf39",
  "rgb": {
    "r": 169,
    "g": 207,
    "b": 57
  },
  "hsl": {
    "h": 75.2,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.79994,
    "c": 0.17536,
    "h": 123
  },
  "luminance": 0.53356
}

Semantic roles & 50–950 ramp

primary

#A9CF39

secondary

#44317B

accent

#44E46C

background

#FEFEFB

surface

#FAFCF2

border

#D3D5CC

text

#13150A

muted

#83847D

Preview Lab

Preview with #A9CF39

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

Preview Lab → · Contrast checker → · Palette generator →