#A3E45B#A3E45B

#A3E45B is a very light, vivid yellow-green. Relative luminance 0.640; OKLCH L 84.8% C 0.180 H 130.8°. Best body text is #000000 at 13.81:1 contrast (WCAG AA passes).

Color values

HEX#A3E45B
RGBrgb(163, 228, 91)
HSLhsl(88, 72%, 63%)
HSVhsv(88, 60%, 89%)
CMYKcmyk(28.5%, 0%, 60.1%, 10.6%)
CIE-LABlab(83.98, -42.02, 58.89)
CIE-LCHlch(83.98, 72.34, 125.51°)
OKLaboklab(84.76% -0.1179 0.1366)
OKLCHoklch(84.76% 0.18 130.8)
XYZxyz(44.7355, 64.0274, 19.8970)
Luminance0.6403 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A3E45B #9C5BE4
analogous
#E4E05B #A3E45B #5FE45B
triadic
#A3E45B #5BA3E4 #E45BA3
tetradic
#A3E45B #5BE4E0 #9C5BE4 #E45B5F
square
#A3E45B #5BE4E0 #9C5BE4 #E45B5F
split-complementary
#A3E45B #5B5FE4 #E05BE4
monochromatic
#66A91C #86DB26 #A3E45B #C0ED90 #DEF5C4

Accessibility & contrast

On white

1.52
#A3E45B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.81
#A3E45B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3E45B
13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A3E45B#FFFFFF#000000##000000
##A3E45B1.001.5213.8113.81
#FFFFFF1.521.0021.0021.00
#00000013.8121.001.001.00
##00000013.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#EED54B
Deuteranopia (green-blind)
#E4D065
Tritanopia (blue-blind)
#A6DBC7
Achromatopsia (no color)
#D1D1D1

Design tokens & code

CSS
--color: #a3e45b;
/* rgb */ color: rgb(163, 228, 91);
/* oklch */ color: oklch(84.8% 0.180 130.8);
Tailwind
colors: {
  custom: {
    50: '#c2ed8e',
    500: '#a3e45b',
    950: '#000000',
  },
}
SCSS
$custom: #a3e45b;
$custom-light: #c2ed8e;
$custom-dark: #000000;
JSON
{
  "hex": "#a3e45b",
  "rgb": {
    "r": 163,
    "g": 228,
    "b": 91
  },
  "hsl": {
    "h": 88.467,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.84758,
    "c": 0.18045,
    "h": 130.8
  },
  "luminance": 0.64029
}

Semantic roles & 50–950 ramp

primary
#A3E45B
secondary
#6F39AB
accent
#12D46E
background
#FDFFFC
surface
#F9FEF4
border
#D2D6CE
text
#13160D
muted
#82857F

Preview Lab

Preview with #A3E45B

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

Preview Lab → · Contrast checker → · Palette generator →

#A3E45B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva