#A3DB39#A3DB39

#A3DB39 is a very light, vivid yellow-green. Relative luminance 0.587; OKLCH L 82.4% C 0.192 H 127.2°. Best body text is #000000 at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#A3DB39
RGB	rgb(163, 219, 57)
HSL	hsl(81, 69%, 54%)
HSV	hsv(81, 74%, 86%)
CMYK	cmyk(25.6%, 0%, 74%, 14.1%)
CIE-LAB	lab(81.15, -40.43, 68.92)
CIE-LCH	lch(81.15, 79.90, 120.40°)
OKLab	oklab(82.38% -0.1163 0.1532)
OKLCH	oklch(82.38% 0.192 127.2)
XYZ	xyz(41.1744, 58.7442, 13.0396)
Luminance	0.5875 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3DB39 #7139DB

analogous

#DBC239 #A3DB39 #52DB39

triadic

#A3DB39 #39A3DB #DB39A3

tetradic

#A3DB39 #39DBC2 #7139DB #DB3952

square

#A3DB39 #39DBC2 #7139DB #DB3952

split-complementary

#A3DB39 #3952DB #C239DB

monochromatic

#5D8218 #82B621 #A3DB39 #BBE46D #D3EEA1

Accessibility & contrast

On white

1.65

#A3DB39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.75

#A3DB39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3DB39

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3DB39	#FFFFFF	#000000	##000000
##A3DB39	1.00	1.65	12.75	12.75
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.75	21.00	1.00	1.00
##000000	12.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CC15

Deuteranopia (green-blind)

#DFC949

Tritanopia (blue-blind)

#A9D1BC

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #a3db39;
/* rgb */ color: rgb(163, 219, 57);
/* oklch */ color: oklch(82.4% 0.192 127.2);

Tailwind

colors: {
  custom: {
    50: '#c3e67b',
    500: '#a3db39',
    950: '#000000',
  },
}

SCSS

$custom: #a3db39;
$custom-light: #c3e67b;
$custom-dark: #000000;

JSON

{
  "hex": "#a3db39",
  "rgb": {
    "r": 163,
    "g": 219,
    "b": 57
  },
  "hsl": {
    "h": 80.741,
    "s": 69.231,
    "l": 54.118
  },
  "oklch": {
    "l": 0.82382,
    "c": 0.19235,
    "h": 127.2
  },
  "luminance": 0.58745
}

Semantic roles & 50–950 ramp

primary

#A3DB39

secondary

#4E2F89

accent

#3CEC79

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13160A

muted

#82847D

Preview Lab

Preview with #A3DB39

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

Preview Lab → · Contrast checker → · Palette generator →