#A1E451#A1E451

#A1E451 is a very light, vivid yellow-green. Relative luminance 0.637; OKLCH L 84.5% C 0.189 H 130.5°. Best body text is #000000 at 13.73:1 contrast (WCAG AA passes).

Color values

HEX#A1E451
RGBrgb(161, 228, 81)
HSLhsl(87, 73%, 61%)
HSVhsv(87, 64%, 89%)
CMYKcmyk(29.4%, 0%, 64.5%, 10.6%)
CIE-LABlab(83.79, -43.54, 62.78)
CIE-LCHlch(83.79, 76.40, 124.74°)
OKLaboklab(84.55% -0.1228 0.1437)
OKLCHoklch(84.55% 0.189 130.5)
XYZxyz(43.9262, 63.6566, 17.7556)
Luminance0.6366 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A1E451 #9451E4
analogous
#E4DD51 #A1E451 #57E451
triadic
#A1E451 #51A1E4 #E451A1
tetradic
#A1E451 #51E4DD #9451E4 #E45157
square
#A1E451 #51E4DD #9451E4 #E45157
split-complementary
#A1E451 #5157E4 #DD51E4
monochromatic
#63A219 #84D721 #A1E451 #BEEC86 #DAF4BB

Accessibility & contrast

On white

1.53
#A1E451 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.73
#A1E451 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1E451
13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A1E451#FFFFFF#000000##000000
##A1E4511.001.5313.7313.73
#FFFFFF1.531.0021.0021.00
#00000013.7321.001.001.00
##00000013.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#EED43E
Deuteranopia (green-blind)
#E5CF5D
Tritanopia (blue-blind)
#A4DBC6
Achromatopsia (no color)
#D1D1D1

Design tokens & code

CSS
--color: #a1e451;
/* rgb */ color: rgb(161, 228, 81);
/* oklch */ color: oklch(84.5% 0.189 130.5);
Tailwind
colors: {
  custom: {
    50: '#c1ed88',
    500: '#a1e451',
    950: '#000000',
  },
}
SCSS
$custom: #a1e451;
$custom-light: #c1ed88;
$custom-dark: #000000;
JSON
{
  "hex": "#a1e451",
  "rgb": {
    "r": 161,
    "g": 228,
    "b": 81
  },
  "hsl": {
    "h": 87.347,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.84545,
    "c": 0.18903,
    "h": 130.5
  },
  "luminance": 0.63658
}

Semantic roles & 50–950 ramp

primary
#A1E451
secondary
#6835A4
accent
#10D56A
background
#FDFFFC
surface
#F9FEF4
border
#D2D6CE
text
#13160C
muted
#82857F

Preview Lab

Preview with #A1E451

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

Preview Lab → · Contrast checker → · Palette generator →

#A1E451 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva