#A3CA28#A3CA28

#A3CA28 is a light, vivid yellow-green. Relative luminance 0.502; OKLCH L 78.3% C 0.181 H 123.1°. Best body text is #000000 at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#A3CA28
RGB	rgb(163, 202, 40)
HSL	hsl(74, 67%, 47%)
HSV	hsv(74, 80%, 79%)
CMYK	cmyk(19.3%, 0%, 80.2%, 20.8%)
CIE-LAB	lab(76.18, -33.54, 69.41)
CIE-LCH	lch(76.18, 77.09, 115.79°)
OKLab	oklab(78.33% -0.0987 0.1516)
OKLCH	oklch(78.33% 0.181 123.1)
XYZ	xyz(36.6083, 50.1806, 9.7643)
Luminance	0.5018 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3CA28 #4F28CA

analogous

#CAA028 #A3CA28 #52CA28

triadic

#A3CA28 #28A3CA #CA28A3

tetradic

#A3CA28 #28CAA0 #4F28CA #CA2852

square

#A3CA28 #28CAA0 #4F28CA #CA2852

split-complementary

#A3CA28 #2852CA #A028CA

monochromatic

#516414 #7A971E #A3CA28 #BBDD52 #CFE785

Accessibility & contrast

On white

1.90

#A3CA28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.04

#A3CA28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3CA28

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3CA28	#FFFFFF	#000000	##000000
##A3CA28	1.00	1.90	11.04	11.04
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.04	21.00	1.00	1.00
##000000	11.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD00

Deuteranopia (green-blind)

#D1BC39

Tritanopia (blue-blind)

#ACC0AD

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a3ca28;
/* rgb */ color: rgb(163, 202, 40);
/* oklch */ color: oklch(78.3% 0.181 123.1);

Tailwind

colors: {
  custom: {
    50: '#c2da71',
    500: '#a3ca28',
    950: '#000000',
  },
}

SCSS

$custom: #a3ca28;
$custom-light: #c2da71;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ca28",
  "rgb": {
    "r": 163,
    "g": 202,
    "b": 40
  },
  "hsl": {
    "h": 74.444,
    "s": 66.942,
    "l": 47.451
  },
  "oklch": {
    "l": 0.78327,
    "c": 0.18088,
    "h": 123.1
  },
  "luminance": 0.50181
}

Semantic roles & 50–950 ramp

primary

#A3CA28

secondary

#39286E

accent

#3EEA67

background

#FDFEFB

surface

#F9FBF1

border

#D2D4CB

text

#131409

muted

#82837D

Preview Lab

Preview with #A3CA28

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

Preview Lab → · Contrast checker → · Palette generator →