#A1C537#A1C537

#A1C537 is a light, vivid yellow-green. Relative luminance 0.478; OKLCH L 77.1% C 0.168 H 122.9°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX#A1C537
RGBrgb(161, 197, 55)
HSLhsl(75, 56%, 49%)
HSVhsv(75, 72%, 77%)
CMYKcmyk(18.3%, 0%, 72.1%, 22.7%)
CIE-LABlab(74.69, -31.31, 63.28)
CIE-LCHlch(74.69, 70.61, 116.33°)
OKLaboklab(77.11% -0.0914 0.1411)
OKLCHoklch(77.11% 0.168 122.9)
XYZxyz(35.3542, 47.7852, 10.9746)
Luminance0.4778 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A1C537 #5B37C5
analogous
#C5A237 #A1C537 #5AC537
triadic
#A1C537 #37A1C5 #C537A1
tetradic
#A1C537 #37C5A2 #5B37C5 #C5375A
square
#A1C537 #37C5A2 #5B37C5 #C5375A
split-complementary
#A1C537 #375AC5 #A237C5
monochromatic
#53651C #7A952A #A1C537 #B8D465 #CEE195

Accessibility & contrast

On white

1.99
#A1C537 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.56
#A1C537 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1C537
10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A1C537#FFFFFF#000000##000000
##A1C5371.001.9910.5610.56
#FFFFFF1.991.0021.0021.00
#00000010.5621.001.001.00
##00000010.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0B91C
Deuteranopia (green-blind)
#CCB843
Tritanopia (blue-blind)
#A9BBA9
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #a1c537;
/* rgb */ color: rgb(161, 197, 55);
/* oklch */ color: oklch(77.1% 0.168 122.9);
Tailwind
colors: {
  custom: {
    50: '#c0d677',
    500: '#a1c537',
    950: '#000000',
  },
}
SCSS
$custom: #a1c537;
$custom-light: #c0d677;
$custom-dark: #000000;
JSON
{
  "hex": "#a1c537",
  "rgb": {
    "r": 161,
    "g": 197,
    "b": 55
  },
  "hsl": {
    "h": 75.211,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.77113,
    "c": 0.16813,
    "h": 122.9
  },
  "luminance": 0.47785
}

Semantic roles & 50–950 ramp

primary
#A1C537
secondary
#9C8BCD
accent
#48E06F
background
#FCFDF7
surface
#F8FAEE
border
#D1D3C9
text
#131409
muted
#82837B

Preview Lab

Preview with #A1C537

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

Preview Lab → · Contrast checker → · Palette generator →

#A1C537 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva