#A9CF31#A9CF31

#A9CF31 is a light, vivid yellow-green. Relative luminance 0.533; OKLCH L 79.9% C 0.180 H 122.7°. Best body text is #000000 at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#A9CF31
RGB	rgb(169, 207, 49)
HSL	hsl(74, 62%, 50%)
HSV	hsv(74, 76%, 81%)
CMYK	cmyk(18.4%, 0%, 76.3%, 18.8%)
CIE-LAB	lab(78.04, -33.08, 68.65)
CIE-LCH	lch(78.04, 76.20, 115.73°)
OKLab	oklab(79.94% -0.0971 0.1512)
OKLCH	oklch(79.94% 0.18 122.7)
XYZ	xyz(39.2299, 53.2822, 11.1229)
Luminance	0.5328 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9CF31 #5731CF

analogous

#CFA631 #A9CF31 #5ACF31

triadic

#A9CF31 #31A9CF #CF31A9

tetradic

#A9CF31 #31CFA6 #5731CF #CF315A

square

#A9CF31 #31CFA6 #5731CF #CF315A

split-complementary

#A9CF31 #315ACF #A631CF

monochromatic

#586C19 #819E25 #A9CF31 #BEDB63 #D2E694

Accessibility & contrast

On white

1.80

#A9CF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.66

#A9CF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9CF31

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9CF31	#FFFFFF	#000000	##000000
##A9CF31	1.00	1.80	11.66	11.66
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.66	21.00	1.00	1.00
##000000	11.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC202

Deuteranopia (green-blind)

#D6C140

Tritanopia (blue-blind)

#B2C4B2

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #a9cf31;
/* rgb */ color: rgb(169, 207, 49);
/* oklch */ color: oklch(79.9% 0.180 122.7);

Tailwind

colors: {
  custom: {
    50: '#c7dd76',
    500: '#a9cf31',
    950: '#000000',
  },
}

SCSS

$custom: #a9cf31;
$custom-light: #c7dd76;
$custom-dark: #000000;

JSON

{
  "hex": "#a9cf31",
  "rgb": {
    "r": 169,
    "g": 207,
    "b": 49
  },
  "hsl": {
    "h": 74.43,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.79945,
    "c": 0.17975,
    "h": 122.7
  },
  "luminance": 0.53282
}

Semantic roles & 50–950 ramp

primary

#A9CF31

secondary

#402E76

accent

#43E56A

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#131509

muted

#83847D

Preview Lab

Preview with #A9CF31

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

Preview Lab → · Contrast checker → · Palette generator →