#A4C21F#A4C21F

#A4C21F is a light, vivid yellow-green. Relative luminance 0.466; OKLCH L 76.5% C 0.175 H 120.5°. Best body text is #000000 at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#A4C21F
RGB	rgb(164, 194, 31)
HSL	hsl(71, 72%, 44%)
HSV	hsv(71, 84%, 76%)
CMYK	cmyk(15.5%, 0%, 84%, 23.9%)
CIE-LAB	lab(73.92, -29.71, 69.72)
CIE-LCH	lch(73.92, 75.78, 113.08°)
OKLab	oklab(76.51% -0.0889 0.1508)
OKLCH	oklch(76.51% 0.175 120.5)
XYZ	xyz(34.8497, 46.5751, 8.4500)
Luminance	0.4657 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4C21F #3D1FC2

analogous

#C28F1F #A4C21F #53C21F

triadic

#A4C21F #1FA4C2 #C21FA4

tetradic

#A4C21F #1FC28F #3D1FC2 #C21F53

square

#A4C21F #1FC28F #3D1FC2 #C21F53

split-complementary

#A4C21F #1F53C2 #8F1FC2

monochromatic

#4B580E #778D17 #A4C21F #C2E03E #D3E973

Accessibility & contrast

On white

2.04

#A4C21F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.32

#A4C21F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4C21F

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4C21F	#FFFFFF	#000000	##000000
##A4C21F	1.00	2.04	10.32	10.32
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.32	21.00	1.00	1.00
##000000	10.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB600

Deuteranopia (green-blind)

#CBB632

Tritanopia (blue-blind)

#AEB7A6

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #a4c21f;
/* rgb */ color: rgb(164, 194, 31);
/* oklch */ color: oklch(76.5% 0.175 120.5);

Tailwind

colors: {
  custom: {
    50: '#c3d46d',
    500: '#a4c21f',
    950: '#000000',
  },
}

SCSS

$custom: #a4c21f;
$custom-light: #c3d46d;
$custom-dark: #000000;

JSON

{
  "hex": "#a4c21f",
  "rgb": {
    "r": 164,
    "g": 194,
    "b": 31
  },
  "hsl": {
    "h": 71.043,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.76505,
    "c": 0.17502,
    "h": 120.5
  },
  "luminance": 0.46575
}

Semantic roles & 50–950 ramp

primary

#A4C21F

secondary

#7F6DCF

accent

#39EF5A

background

#FCFDF7

surface

#F8FAED

border

#D1D3C8

text

#131408

muted

#82837B

Preview Lab

Preview with #A4C21F

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

Preview Lab → · Contrast checker → · Palette generator →