#A9D23B#A9D23B

#A9D23B is a light, vivid yellow-green. Relative luminance 0.548; OKLCH L 80.7% C 0.178 H 123.8°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#A9D23B
RGB	rgb(169, 210, 59)
HSL	hsl(76, 63%, 53%)
HSV	hsv(76, 72%, 82%)
CMYK	cmyk(19.5%, 0%, 71.9%, 17.6%)
CIE-LAB	lab(78.95, -33.96, 66.23)
CIE-LCH	lch(78.95, 74.43, 117.14°)
OKLab	oklab(80.7% -0.0988 0.1478)
OKLCH	oklch(80.7% 0.178 123.8)
XYZ	xyz(40.1986, 54.8437, 12.6049)
Luminance	0.5484 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9D23B #643BD2

analogous

#D2AF3B #A9D23B #5ED23B

triadic

#A9D23B #3BA9D2 #D23BA9

tetradic

#A9D23B #3BD2AF #643BD2 #D23B5E

square

#A9D23B #3BD2AF #643BD2 #D23B5E

split-complementary

#A9D23B #3B5ED2 #AF3BD2

monochromatic

#5E771B #86A927 #A9D23B #BFDD6D #D5E99F

Accessibility & contrast

On white

1.75

#A9D23B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.97

#A9D23B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9D23B

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9D23B	#FFFFFF	#000000	##000000
##A9D23B	1.00	1.75	11.97	11.97
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.97	21.00	1.00	1.00
##000000	11.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC51F

Deuteranopia (green-blind)

#D9C348

Tritanopia (blue-blind)

#B1C8B5

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #a9d23b;
/* rgb */ color: rgb(169, 210, 59);
/* oklch */ color: oklch(80.7% 0.178 123.8);

Tailwind

colors: {
  custom: {
    50: '#c6e07b',
    500: '#a9d23b',
    950: '#000000',
  },
}

SCSS

$custom: #a9d23b;
$custom-light: #c6e07b;
$custom-dark: #000000;

JSON

{
  "hex": "#a9d23b",
  "rgb": {
    "r": 169,
    "g": 210,
    "b": 59
  },
  "hsl": {
    "h": 76.291,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.80698,
    "c": 0.17773,
    "h": 123.8
  },
  "luminance": 0.54844
}

Semantic roles & 50–950 ramp

primary

#A9D23B

secondary

#47327F

accent

#42E66F

background

#FEFEFB

surface

#FAFCF2

border

#D3D5CC

text

#13150A

muted

#83847D

Preview Lab

Preview with #A9D23B

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

Preview Lab → · Contrast checker → · Palette generator →