#A3C440#A3C440

#A3C440 is a light, vivid yellow-green. Relative luminance 0.476; OKLCH L 77.1% C 0.160 H 122.4°. Best body text is #000000 at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#A3C440
RGB	rgb(163, 196, 64)
HSL	hsl(75, 53%, 51%)
HSV	hsv(75, 67%, 77%)
CMYK	cmyk(16.8%, 0%, 67.3%, 23.1%)
CIE-LAB	lab(74.60, -29.50, 59.89)
CIE-LCH	lch(74.60, 66.76, 116.23°)
OKLab	oklab(77.09% -0.0857 0.1353)
OKLCH	oklch(77.09% 0.16 122.4)
XYZ	xyz(35.7700, 47.6365, 12.1598)
Luminance	0.4764 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3C440 #6140C4

analogous

#C4A340 #A3C440 #61C440

triadic

#A3C440 #40A3C4 #C440A3

tetradic

#A3C440 #40C4A3 #6140C4 #C44061

square

#A3C440 #40C4A3 #6140C4 #C44061

split-complementary

#A3C440 #4061C4 #A340C4

monochromatic

#576920 #7E982F #A3C440 #BAD26F #D0E19E

Accessibility & contrast

On white

1.99

#A3C440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.53

#A3C440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3C440

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3C440	#FFFFFF	#000000	##000000
##A3C440	1.00	1.99	10.53	10.53
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.53	21.00	1.00	1.00
##000000	10.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB82D

Deuteranopia (green-blind)

#CBB74A

Tritanopia (blue-blind)

#ABBAA9

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #a3c440;
/* rgb */ color: rgb(163, 196, 64);
/* oklch */ color: oklch(77.1% 0.160 122.4);

Tailwind

colors: {
  custom: {
    50: '#c1d67c',
    500: '#a3c440',
    950: '#000000',
  },
}

SCSS

$custom: #a3c440;
$custom-light: #c1d67c;
$custom-dark: #000000;

JSON

{
  "hex": "#a3c440",
  "rgb": {
    "r": 163,
    "g": 196,
    "b": 64
  },
  "hsl": {
    "h": 75,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.7709,
    "c": 0.16018,
    "h": 122.4
  },
  "luminance": 0.47637
}

Semantic roles & 50–950 ramp

primary

#A3C440

secondary

#A193CD

accent

#4CDC70

background

#FCFDF7

surface

#F8FAEE

border

#D1D3C9

text

#13140A

muted

#82837C

Preview Lab

Preview with #A3C440

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

Preview Lab → · Contrast checker → · Palette generator →