#A4CA28#A4CA28

#A4CA28 is a light, vivid yellow-green. Relative luminance 0.503; OKLCH L 78.4% C 0.180 H 122.8°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#A4CA28
RGB	rgb(164, 202, 40)
HSL	hsl(74, 67%, 47%)
HSV	hsv(74, 80%, 79%)
CMYK	cmyk(18.8%, 0%, 80.2%, 20.8%)
CIE-LAB	lab(76.24, -33.14, 69.49)
CIE-LCH	lch(76.24, 76.99, 115.49°)
OKLab	oklab(78.4% -0.0977 0.1517)
OKLCH	oklch(78.4% 0.18 122.8)
XYZ	xyz(36.8139, 50.2866, 9.7739)
Luminance	0.5029 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4CA28 #4E28CA

analogous

#CA9F28 #A4CA28 #53CA28

triadic

#A4CA28 #28A4CA #CA28A4

tetradic

#A4CA28 #28CA9F #4E28CA #CA2853

square

#A4CA28 #28CA9F #4E28CA #CA2853

split-complementary

#A4CA28 #2853CA #9F28CA

monochromatic

#516414 #7B971E #A4CA28 #BCDD52 #D0E785

Accessibility & contrast

On white

1.90

#A4CA28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.06

#A4CA28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4CA28

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4CA28	#FFFFFF	#000000	##000000
##A4CA28	1.00	1.90	11.06	11.06
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.06	21.00	1.00	1.00
##000000	11.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD00

Deuteranopia (green-blind)

#D1BC39

Tritanopia (blue-blind)

#ADBFAD

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a4ca28;
/* rgb */ color: rgb(164, 202, 40);
/* oklch */ color: oklch(78.4% 0.180 122.8);

Tailwind

colors: {
  custom: {
    50: '#c3da71',
    500: '#a4ca28',
    950: '#000000',
  },
}

SCSS

$custom: #a4ca28;
$custom-light: #c3da71;
$custom-dark: #000000;

JSON

{
  "hex": "#a4ca28",
  "rgb": {
    "r": 164,
    "g": 202,
    "b": 40
  },
  "hsl": {
    "h": 74.074,
    "s": 66.942,
    "l": 47.451
  },
  "oklch": {
    "l": 0.78397,
    "c": 0.18044,
    "h": 122.8
  },
  "luminance": 0.50287
}

Semantic roles & 50–950 ramp

primary

#A4CA28

secondary

#38286E

accent

#3EEA66

background

#FEFEFB

surface

#FAFBF1

border

#D3D4CB

text

#131409

muted

#83837D

Preview Lab

Preview with #A4CA28

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

Preview Lab → · Contrast checker → · Palette generator →