#A3D143#A3D143

#A3D143 is a light, vivid yellow-green. Relative luminance 0.538; OKLCH L 80.1% C 0.174 H 125.7°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#A3D143
RGB	rgb(163, 209, 67)
HSL	hsl(79, 61%, 54%)
HSV	hsv(79, 68%, 82%)
CMYK	cmyk(22%, 0%, 67.9%, 18%)
CIE-LAB	lab(78.34, -35.35, 62.58)
CIE-LCH	lch(78.34, 71.88, 119.46°)
OKLab	oklab(80.12% -0.1016 0.1414)
OKLCH	oklch(80.12% 0.174 125.7)
XYZ	xyz(38.9180, 53.7922, 13.6417)
Luminance	0.5379 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D143 #7143D1

analogous

#D1B843 #A3D143 #5CD143

triadic

#A3D143 #43A3D1 #D143A3

tetradic

#A3D143 #43D1B8 #7143D1 #D1435C

square

#A3D143 #43D1B8 #7143D1 #D1435C

split-complementary

#A3D143 #435CD1 #B843D1

monochromatic

#5D7B1E #82AD2A #A3D143 #BBDD74 #D3E9A5

Accessibility & contrast

On white

1.79

#A3D143 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#A3D143 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D143

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D143	#FFFFFF	#000000	##000000
##A3D143	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC32E

Deuteranopia (green-blind)

#D6C14F

Tritanopia (blue-blind)

#AAC7B5

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #a3d143;
/* rgb */ color: rgb(163, 209, 67);
/* oklch */ color: oklch(80.1% 0.174 125.7);

Tailwind

colors: {
  custom: {
    50: '#c2df7f',
    500: '#a3d143',
    950: '#000000',
  },
}

SCSS

$custom: #a3d143;
$custom-light: #c2df7f;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d143",
  "rgb": {
    "r": 163,
    "g": 209,
    "b": 67
  },
  "hsl": {
    "h": 79.437,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.80124,
    "c": 0.17412,
    "h": 125.7
  },
  "luminance": 0.53793
}

Semantic roles & 50–950 ramp

primary

#A3D143

secondary

#4E3583

accent

#44E478

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150B

muted

#82847E

Preview Lab

Preview with #A3D143

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

Preview Lab → · Contrast checker → · Palette generator →