#A3E443#A3E443

#A3E443 is a very light, vivid yellow-green. Relative luminance 0.637; OKLCH L 84.6% C 0.197 H 129.2°. Best body text is #000000 at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#A3E443
RGB	rgb(163, 228, 67)
HSL	hsl(84, 75%, 58%)
HSV	hsv(84, 71%, 89%)
CMYK	cmyk(28.5%, 0%, 70.6%, 10.6%)
CIE-LAB	lab(83.80, -43.78, 68.11)
CIE-LCH	lch(83.80, 80.97, 122.73°)
OKLab	oklab(84.55% -0.1247 0.153)
OKLCH	oklch(84.55% 0.197 129.2)
XYZ	xyz(43.8606, 63.6774, 15.2892)
Luminance	0.6368 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3E443 #8443E4

analogous

#E4D543 #A3E443 #52E443

triadic

#A3E443 #43A3E4 #E443A3

tetradic

#A3E443 #43E4D5 #8443E4 #E44352

square

#A3E443 #43E4D5 #8443E4 #E44352

split-complementary

#A3E443 #4352E4 #D543E4

monochromatic

#639716 #86CC1D #A3E443 #BDEC79 #D7F3AE

Accessibility & contrast

On white

1.53

#A3E443 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.74

#A3E443 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3E443

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3E443	#FFFFFF	#000000	##000000
##A3E443	1.00	1.53	13.74	13.74
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.74	21.00	1.00	1.00
##000000	13.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD427

Deuteranopia (green-blind)

#E6CF52

Tritanopia (blue-blind)

#A8DAC4

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #a3e443;
/* rgb */ color: rgb(163, 228, 67);
/* oklch */ color: oklch(84.6% 0.197 129.2);

Tailwind

colors: {
  custom: {
    50: '#c3ed81',
    500: '#a3e443',
    950: '#000000',
  },
}

SCSS

$custom: #a3e443;
$custom-light: #c3ed81;
$custom-dark: #000000;

JSON

{
  "hex": "#a3e443",
  "rgb": {
    "r": 163,
    "g": 228,
    "b": 67
  },
  "hsl": {
    "h": 84.224,
    "s": 74.884,
    "l": 57.843
  },
  "oklch": {
    "l": 0.84551,
    "c": 0.19737,
    "h": 129.2
  },
  "luminance": 0.63679
}

Semantic roles & 50–950 ramp

primary

#A3E443

secondary

#5B309B

accent

#36F282

background

#FDFEFB

surface

#F9FDF2

border

#D2D5CC

text

#13160B

muted

#82847E

Preview Lab

Preview with #A3E443

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

Preview Lab → · Contrast checker → · Palette generator →