#A9D143#A9D143

#A9D143 is a light, vivid yellow-green. Relative luminance 0.544; OKLCH L 80.5% C 0.171 H 123.9°. Best body text is #000000 at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#A9D143
RGB	rgb(169, 209, 67)
HSL	hsl(77, 61%, 54%)
HSV	hsv(77, 68%, 82%)
CMYK	cmyk(19.1%, 0%, 67.9%, 18%)
CIE-LAB	lab(78.72, -33.02, 63.09)
CIE-LCH	lch(78.72, 71.21, 117.63°)
OKLab	oklab(80.53% -0.0955 0.1424)
OKLCH	oklch(80.53% 0.171 123.9)
XYZ	xyz(40.1761, 54.4409, 13.7006)
Luminance	0.5444 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9D143 #6B43D1

analogous

#D1B243 #A9D143 #62D143

triadic

#A9D143 #43A9D1 #D143A9

tetradic

#A9D143 #43D1B2 #6B43D1 #D14362

square

#A9D143 #43D1B2 #6B43D1 #D14362

split-complementary

#A9D143 #4362D1 #B243D1

monochromatic

#617B1E #88AD2A #A9D143 #BFDD74 #D6E9A5

Accessibility & contrast

On white

1.77

#A9D143 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.89

#A9D143 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9D143

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9D143	#FFFFFF	#000000	##000000
##A9D143	1.00	1.77	11.89	11.89
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.89	21.00	1.00	1.00
##000000	11.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC42E

Deuteranopia (green-blind)

#D7C24E

Tritanopia (blue-blind)

#B1C7B5

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #a9d143;
/* rgb */ color: rgb(169, 209, 67);
/* oklch */ color: oklch(80.5% 0.171 123.9);

Tailwind

colors: {
  custom: {
    50: '#c6df7f',
    500: '#a9d143',
    950: '#000000',
  },
}

SCSS

$custom: #a9d143;
$custom-light: #c6df7f;
$custom-dark: #000000;

JSON

{
  "hex": "#a9d143",
  "rgb": {
    "r": 169,
    "g": 209,
    "b": 67
  },
  "hsl": {
    "h": 76.901,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.80527,
    "c": 0.17143,
    "h": 123.9
  },
  "luminance": 0.54441
}

Semantic roles & 50–950 ramp

primary

#A9D143

secondary

#4B3583

accent

#44E471

background

#FEFEFB

surface

#FAFCF2

border

#D3D5CC

text

#13150B

muted

#83847E

Preview Lab

Preview with #A9D143

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

Preview Lab → · Contrast checker → · Palette generator →