#A3D643#A3D643

#A3D643 is a light, vivid yellow-green. Relative luminance 0.563; OKLCH L 81.3% C 0.180 H 126.7°. Best body text is #000000 at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#A3D643
RGB	rgb(163, 214, 67)
HSL	hsl(81, 64%, 55%)
HSV	hsv(81, 69%, 84%)
CMYK	cmyk(23.8%, 0%, 68.7%, 16.1%)
CIE-LAB	lab(79.78, -37.62, 64.05)
CIE-LCH	lch(79.78, 74.28, 120.43°)
OKLab	oklab(81.29% -0.1078 0.1445)
OKLCH	oklch(81.29% 0.18 126.7)
XYZ	xyz(40.1641, 56.2842, 14.0570)
Luminance	0.5628 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D643 #7643D6

analogous

#D6BF43 #A3D643 #5AD643

triadic

#A3D643 #43A3D6 #D643A3

tetradic

#A3D643 #43D6BF #7643D6 #D6435A

square

#A3D643 #43D6BF #7643D6 #D6435A

split-complementary

#A3D643 #435AD6 #BF43D6

monochromatic

#5F821C #83B427 #A3D643 #BCE175 #D4ECA7

Accessibility & contrast

On white

1.71

#A3D643 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.26

#A3D643 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D643

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D643	#FFFFFF	#000000	##000000
##A3D643	1.00	1.71	12.26	12.26
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.26	21.00	1.00	1.00
##000000	12.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C82C

Deuteranopia (green-blind)

#DAC54F

Tritanopia (blue-blind)

#A9CCB9

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #a3d643;
/* rgb */ color: rgb(163, 214, 67);
/* oklch */ color: oklch(81.3% 0.180 126.7);

Tailwind

colors: {
  custom: {
    50: '#c2e37f',
    500: '#a3d643',
    950: '#000000',
  },
}

SCSS

$custom: #a3d643;
$custom-light: #c2e37f;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d643",
  "rgb": {
    "r": 163,
    "g": 214,
    "b": 67
  },
  "hsl": {
    "h": 80.816,
    "s": 64.192,
    "l": 55.098
  },
  "oklch": {
    "l": 0.81286,
    "c": 0.18028,
    "h": 126.7
  },
  "luminance": 0.56285
}

Semantic roles & 50–950 ramp

primary

#A3D643

secondary

#523489

accent

#41E77A

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150B

muted

#82847E

Preview Lab

Preview with #A3D643

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

Preview Lab → · Contrast checker → · Palette generator →