#A4FF00#A4FF00

#A4FF00 is a very light, highly saturated yellow-green. Relative luminance 0.794; OKLCH L 90.7% C 0.247 H 130.9°. Best body text is #000000 at 16.88:1 contrast (WCAG AA passes).

Color values

HEX	#A4FF00
RGB	rgb(164, 255, 0)
HSL	hsl(81, 100%, 50%)
HSV	hsv(81, 100%, 100%)
CMYK	cmyk(35.7%, 0%, 100%, 0%)
CIE-LAB	lab(91.42, -56.53, 87.65)
CIE-LCH	lch(91.42, 104.30, 122.82°)
OKLab	oklab(90.72% -0.1619 0.1871)
OKLCH	oklch(90.72% 0.247 130.9)
XYZ	xyz(51.0695, 79.4104, 12.6369)
Luminance	0.7941 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4FF00 #5B00FF

analogous

#FFDB00 #A4FF00 #24FF00

triadic

#A4FF00 #00A4FF #FF00A4

tetradic

#A4FF00 #00FFDB #5B00FF #FF0024

square

#A4FF00 #00FFDB #5B00FF #FF0024

split-complementary

#A4FF00 #0024FF #DB00FF

monochromatic

#558500 #7DC200 #A4FF00 #BAFF3D #D0FF7A

Accessibility & contrast

On white

1.24

#A4FF00 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.88

#A4FF00 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4FF00

16.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4FF00	#FFFFFF	#000000	##000000
##A4FF00	1.00	1.24	16.88	16.88
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.88	21.00	1.00	1.00
##000000	16.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB00

Deuteranopia (green-blind)

#FFE437

Tritanopia (blue-blind)

#A8F4D9

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #a4ff00;
/* rgb */ color: rgb(164, 255, 0);
/* oklch */ color: oklch(90.7% 0.247 130.9);

Tailwind

colors: {
  custom: {
    50: '#c7ff71',
    500: '#a4ff00',
    950: '#000000',
  },
}

SCSS

$custom: #a4ff00;
$custom-light: #c7ff71;
$custom-dark: #000000;

JSON

{
  "hex": "#a4ff00",
  "rgb": {
    "r": 164,
    "g": 255,
    "b": 0
  },
  "hsl": {
    "h": 81.412,
    "s": 100,
    "l": 50
  },
  "oklch": {
    "l": 0.90718,
    "c": 0.24742,
    "h": 130.9
  },
  "luminance": 0.79413
}

Semantic roles & 50–950 ramp

primary

#A4FF00

secondary

#41188B

accent

#29FF75

background

#FEFFFB

surface

#FBFFF1

border

#D4D7CB

text

#141809

muted

#83867D

Preview Lab

Preview with #A4FF00

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

Preview Lab → · Contrast checker → · Palette generator →