#A3D040#A3D040

#A3D040 is a light, vivid yellow-green. Relative luminance 0.533; OKLCH L 79.9% C 0.175 H 125.3°. Best body text is #000000 at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#A3D040
RGB	rgb(163, 208, 64)
HSL	hsl(79, 61%, 53%)
HSV	hsv(79, 69%, 82%)
CMYK	cmyk(21.6%, 0%, 69.2%, 18.4%)
CIE-LAB	lab(78.03, -35.09, 63.40)
CIE-LCH	lch(78.03, 72.46, 118.96°)
OKLab	oklab(79.87% -0.1011 0.1427)
OKLCH	oklch(79.87% 0.175 125.3)
XYZ	xyz(38.5858, 53.2680, 13.0984)
Luminance	0.5327 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D040 #6D40D0

analogous

#D0B540 #A3D040 #5BD040

triadic

#A3D040 #40A3D0 #D040A3

tetradic

#A3D040 #40D0B5 #6D40D0 #D0405B

square

#A3D040 #40D0B5 #6D40D0 #D0405B

split-complementary

#A3D040 #405BD0 #B540D0

monochromatic

#5C781E #81A92A #A3D040 #BBDC71 #D2E8A2

Accessibility & contrast

On white

1.80

#A3D040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.65

#A3D040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D040

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D040	#FFFFFF	#000000	##000000
##A3D040	1.00	1.80	11.65	11.65
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.65	21.00	1.00	1.00
##000000	11.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC329

Deuteranopia (green-blind)

#D5C04C

Tritanopia (blue-blind)

#AAC6B3

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #a3d040;
/* rgb */ color: rgb(163, 208, 64);
/* oklch */ color: oklch(79.9% 0.175 125.3);

Tailwind

colors: {
  custom: {
    50: '#c2de7d',
    500: '#a3d040',
    950: '#000000',
  },
}

SCSS

$custom: #a3d040;
$custom-light: #c2de7d;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d040",
  "rgb": {
    "r": 163,
    "g": 208,
    "b": 64
  },
  "hsl": {
    "h": 78.75,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.79868,
    "c": 0.17488,
    "h": 125.3
  },
  "luminance": 0.53268
}

Semantic roles & 50–950 ramp

primary

#A3D040

secondary

#4C3480

accent

#44E476

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A3D040

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

Preview Lab → · Contrast checker → · Palette generator →