#A3D559#A3D559

#A3D559 is a light, vivid yellow-green. Relative luminance 0.561; OKLCH L 81.3% C 0.162 H 128.0°. Best body text is #000000 at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#A3D559
RGB	rgb(163, 213, 89)
HSL	hsl(84, 60%, 59%)
HSV	hsv(84, 58%, 84%)
CMYK	cmyk(23.5%, 0%, 58.2%, 16.5%)
CIE-LAB	lab(79.67, -35.49, 54.91)
CIE-LCH	lch(79.67, 65.38, 122.88°)
OKLab	oklab(81.26% -0.1001 0.1279)
OKLCH	oklch(81.26% 0.162 128)
XYZ	xyz(40.7015, 56.0955, 18.1324)
Luminance	0.5610 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D559 #8B59D5

analogous

#D5C959 #A3D559 #65D559

triadic

#A3D559 #59A3D5 #D559A3

tetradic

#A3D559 #59D5C9 #8B59D5 #D55965

square

#A3D559 #59D5C9 #8B59D5 #D55965

split-complementary

#A3D559 #5965D5 #C959D5

monochromatic

#648F24 #86C031 #A3D559 #BEE18A #D9EEBB

Accessibility & contrast

On white

1.72

#A3D559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.22

#A3D559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D559

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D559	#FFFFFF	#000000	##000000
##A3D559	1.00	1.72	12.22	12.22
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.22	21.00	1.00	1.00
##000000	12.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC84C

Deuteranopia (green-blind)

#D8C462

Tritanopia (blue-blind)

#A8CCBA

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a3d559;
/* rgb */ color: rgb(163, 213, 89);
/* oklch */ color: oklch(81.3% 0.162 128.0);

Tailwind

colors: {
  custom: {
    50: '#c1e28c',
    500: '#a3d559',
    950: '#000000',
  },
}

SCSS

$custom: #a3d559;
$custom-light: #c1e28c;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d559",
  "rgb": {
    "r": 163,
    "g": 213,
    "b": 89
  },
  "hsl": {
    "h": 84.194,
    "s": 59.615,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81257,
    "c": 0.1624,
    "h": 128
  },
  "luminance": 0.56096
}

Semantic roles & 50–950 ramp

primary

#A3D559

secondary

#613D95

accent

#45E385

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#13150C

muted

#82847F

Preview Lab

Preview with #A3D559

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

Preview Lab → · Contrast checker → · Palette generator →