#A3C540#A3C540

#A3C540 is a light, vivid yellow-green. Relative luminance 0.481; OKLCH L 77.3% C 0.161 H 122.6°. Best body text is #000000 at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#A3C540
RGB	rgb(163, 197, 64)
HSL	hsl(75, 53%, 51%)
HSV	hsv(75, 68%, 77%)
CMYK	cmyk(17.3%, 0%, 67.5%, 22.7%)
CIE-LAB	lab(74.88, -29.98, 60.18)
CIE-LCH	lch(74.88, 67.23, 116.48°)
OKLab	oklab(77.32% -0.087 0.1359)
OKLCH	oklch(77.32% 0.161 122.6)
XYZ	xyz(35.9963, 48.0891, 12.2352)
Luminance	0.4809 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3C540 #6240C5

analogous

#C5A440 #A3C540 #60C540

triadic

#A3C540 #40A3C5 #C540A3

tetradic

#A3C540 #40C5A4 #6240C5 #C54060

square

#A3C540 #40C5A4 #6240C5 #C54060

split-complementary

#A3C540 #4060C5 #A440C5

monochromatic

#576A20 #7E992F #A3C540 #BAD36F #D0E29E

Accessibility & contrast

On white

1.98

#A3C540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.62

#A3C540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3C540

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3C540	#FFFFFF	#000000	##000000
##A3C540	1.00	1.98	10.62	10.62
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.62	21.00	1.00	1.00
##000000	10.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B92C

Deuteranopia (green-blind)

#CCB84A

Tritanopia (blue-blind)

#ABBBAA

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #a3c540;
/* rgb */ color: rgb(163, 197, 64);
/* oklch */ color: oklch(77.3% 0.161 122.6);

Tailwind

colors: {
  custom: {
    50: '#c1d67c',
    500: '#a3c540',
    950: '#000000',
  },
}

SCSS

$custom: #a3c540;
$custom-light: #c1d67c;
$custom-dark: #000000;

JSON

{
  "hex": "#a3c540",
  "rgb": {
    "r": 163,
    "g": 197,
    "b": 64
  },
  "hsl": {
    "h": 75.338,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.77321,
    "c": 0.16141,
    "h": 122.6
  },
  "luminance": 0.48089
}

Semantic roles & 50–950 ramp

primary

#A3C540

secondary

#A293CE

accent

#4BDD70

background

#FCFDF7

surface

#F8FAEE

border

#D1D3C9

text

#13140A

muted

#82837C

Preview Lab

Preview with #A3C540

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

Preview Lab → · Contrast checker → · Palette generator →