#A3DA39#A3DA39

#A3DA39 is a very light, vivid yellow-green. Relative luminance 0.582; OKLCH L 82.1% C 0.191 H 127.0°. Best body text is #000000 at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#A3DA39
RGB	rgb(163, 218, 57)
HSL	hsl(80, 69%, 54%)
HSV	hsv(80, 74%, 85%)
CMYK	cmyk(25.2%, 0%, 73.9%, 14.5%)
CIE-LAB	lab(80.86, -39.99, 68.64)
CIE-LCH	lch(80.86, 79.44, 120.22°)
OKLab	oklab(82.15% -0.1151 0.1526)
OKLCH	oklch(82.15% 0.191 127)
XYZ	xyz(40.9143, 58.2240, 12.9529)
Luminance	0.5823 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3DA39 #7039DA

analogous

#DAC139 #A3DA39 #53DA39

triadic

#A3DA39 #39A3DA #DA39A3

tetradic

#A3DA39 #39DAC1 #7039DA #DA3953

square

#A3DA39 #39DAC1 #7039DA #DA3953

split-complementary

#A3DA39 #3953DA #C139DA

monochromatic

#5D8118 #82B422 #A3DA39 #BBE46D #D3EDA0

Accessibility & contrast

On white

1.66

#A3DA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.65

#A3DA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3DA39

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3DA39	#FFFFFF	#000000	##000000
##A3DA39	1.00	1.66	12.65	12.65
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.65	21.00	1.00	1.00
##000000	12.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CB16

Deuteranopia (green-blind)

#DEC848

Tritanopia (blue-blind)

#A9D0BB

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #a3da39;
/* rgb */ color: rgb(163, 218, 57);
/* oklch */ color: oklch(82.1% 0.191 127.0);

Tailwind

colors: {
  custom: {
    50: '#c3e57b',
    500: '#a3da39',
    950: '#000000',
  },
}

SCSS

$custom: #a3da39;
$custom-light: #c3e57b;
$custom-dark: #000000;

JSON

{
  "hex": "#a3da39",
  "rgb": {
    "r": 163,
    "g": 218,
    "b": 57
  },
  "hsl": {
    "h": 80.497,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.82148,
    "c": 0.19116,
    "h": 127
  },
  "luminance": 0.58225
}

Semantic roles & 50–950 ramp

primary

#A3DA39

secondary

#4E3088

accent

#3CEB78

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13160A

muted

#82847D

Preview Lab

Preview with #A3DA39

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

Preview Lab → · Contrast checker → · Palette generator →