#A4FF3F#A4FF3F

#A4FF3F is a very light, highly saturated yellow-green. Relative luminance 0.798; OKLCH L 90.9% C 0.231 H 132.2°. Best body text is #000000 at 16.95:1 contrast (WCAG AA passes).

Color values

HEX#A4FF3F
RGBrgb(164, 255, 63)
HSLhsl(88, 100%, 62%)
HSVhsv(88, 75%, 100%)
CMYKcmyk(35.7%, 0%, 75.3%, 0%)
CIE-LABlab(91.58, -54.86, 77.03)
CIE-LCHlch(91.58, 94.57, 125.46°)
OKLaboklab(90.9% -0.1551 0.1711)
OKLCHoklch(90.9% 0.231 132.2)
XYZxyz(51.9664, 79.7692, 17.3606)
Luminance0.7977 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A4FF3F #9A3FFF
analogous
#FFFA3F #A4FF3F #44FF3F
triadic
#A4FF3F #3FA4FF #FF3FA4
tetradic
#A4FF3F #3FFFFA #9A3FFF #FF3F44
square
#A4FF3F #3FFFFA #9A3FFF #FF3F44
split-complementary
#A4FF3F #3F44FF #FA3FFF
monochromatic
#67C400 #87FF02 #A4FF3F #C1FF7C #DEFFB9

Accessibility & contrast

On white

1.24
#A4FF3F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.95
#A4FF3F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4FF3F
16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A4FF3F#FFFFFF#000000##000000
##A4FF3F1.001.2416.9516.95
#FFFFFF1.241.0021.0021.00
#00000016.9521.001.001.00
##00000016.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFEB09
Deuteranopia (green-blind)
#FDE453
Tritanopia (blue-blind)
#A6F5DB
Achromatopsia (no color)
#E7E7E7

Design tokens & code

CSS
--color: #a4ff3f;
/* rgb */ color: rgb(164, 255, 63);
/* oklch */ color: oklch(90.9% 0.231 132.2);
Tailwind
colors: {
  custom: {
    50: '#c5ff82',
    500: '#a4ff3f',
    950: '#000000',
  },
}
SCSS
$custom: #a4ff3f;
$custom-light: #c5ff82;
$custom-dark: #000000;
JSON
{
  "hex": "#a4ff3f",
  "rgb": {
    "r": 164,
    "g": 255,
    "b": 63
  },
  "hsl": {
    "h": 88.438,
    "s": 100,
    "l": 62.353
  },
  "oklch": {
    "l": 0.90901,
    "c": 0.23093,
    "h": 132.2
  },
  "luminance": 0.79771
}

Semantic roles & 50–950 ramp

primary
#A4FF3F
secondary
#6D22C0
accent
#00E66D
background
#FEFFFB
surface
#FBFFF2
border
#D4D7CC
text
#14180B
muted
#83867E

Preview Lab

Preview with #A4FF3F

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

Preview Lab → · Contrast checker → · Palette generator →

#A4FF3F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva