#A3EF57#A3EF57

#A3EF57 is a very light, vivid yellow-green. Relative luminance 0.702; OKLCH L 87.3% C 0.198 H 132.0°. Best body text is #000000 at 15.04:1 contrast (WCAG AA passes).

Color values

HEX#A3EF57
RGBrgb(163, 239, 87)
HSLhsl(90, 83%, 64%)
HSVhsv(90, 64%, 94%)
CMYKcmyk(31.8%, 0%, 63.6%, 6.3%)
CIE-LABlab(87.10, -47.07, 63.96)
CIE-LCHlch(87.10, 79.42, 126.35°)
OKLaboklab(87.28% -0.1321 0.1469)
OKLCHoklch(87.28% 0.198 132)
XYZxyz(47.6905, 70.2060, 20.0534)
Luminance0.7021 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A3EF57 #A357EF
analogous
#EFEF57 #A3EF57 #57EF57
triadic
#A3EF57 #57A3EF #EF57A3
tetradic
#A3EF57 #57EFEF #A357EF #EF5757
square
#A3EF57 #57EFEF #A357EF #EF5757
split-complementary
#A3EF57 #5757EF #EF57EF
monochromatic
#66BA12 #84EA1F #A3EF57 #C2F48F #E0FAC7

Accessibility & contrast

On white

1.40
#A3EF57 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.04
#A3EF57 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3EF57
15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A3EF57#FFFFFF#000000##000000
##A3EF571.001.4015.0415.04
#FFFFFF1.401.0021.0021.00
#00000015.0421.001.001.00
##00000015.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#F9DE44
Deuteranopia (green-blind)
#EED863
Tritanopia (blue-blind)
#A5E6D0
Achromatopsia (no color)
#DADADA

Design tokens & code

CSS
--color: #a3ef57;
/* rgb */ color: rgb(163, 239, 87);
/* oklch */ color: oklch(87.3% 0.198 132.0);
Tailwind
colors: {
  custom: {
    50: '#c3f48d',
    500: '#a3ef57',
    950: '#000000',
  },
}
SCSS
$custom: #a3ef57;
$custom-light: #c3f48d;
$custom-dark: #000000;
JSON
{
  "hex": "#a3ef57",
  "rgb": {
    "r": 163,
    "g": 239,
    "b": 87
  },
  "hsl": {
    "h": 90,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.87281,
    "c": 0.19758,
    "h": 132
  },
  "luminance": 0.70208
}

Semantic roles & 50–950 ramp

primary
#A3EF57
secondary
#7531B9
accent
#06DF73
background
#FDFFFC
surface
#F9FEF4
border
#D2D6CE
text
#13170D
muted
#82857F

Preview Lab

Preview with #A3EF57

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

Preview Lab → · Contrast checker → · Palette generator →

#A3EF57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva