#A1D551#A1D551

#A1D551 is a light, vivid yellow-green. Relative luminance 0.558; OKLCH L 81.0% C 0.170 H 128.0°. Best body text is #000000 at 12.15:1 contrast (WCAG AA passes).

Color values

HEX#A1D551
RGBrgb(161, 213, 81)
HSLhsl(84, 61%, 58%)
HSVhsv(84, 62%, 84%)
CMYKcmyk(24.4%, 0%, 62%, 16.5%)
CIE-LABlab(79.48, -36.91, 58.12)
CIE-LCHlch(79.48, 68.85, 122.42°)
OKLaboklab(81.05% -0.1046 0.1339)
OKLCHoklch(81.05% 0.17 128)
XYZxyz(39.9773, 55.7589, 16.4393)
Luminance0.5576 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A1D551 #8551D5
analogous
#D5C751 #A1D551 #5FD551
triadic
#A1D551 #51A1D5 #D551A1
tetradic
#A1D551 #51D5C7 #8551D5 #D5515F
square
#A1D551 #51D5C7 #8551D5 #D5515F
split-complementary
#A1D551 #515FD5 #C751D5
monochromatic
#618A21 #83BC2D #A1D551 #BCE182 #D6EDB4

Accessibility & contrast

On white

1.73
#A1D551 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.15
#A1D551 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1D551
12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A1D551#FFFFFF#000000##000000
##A1D5511.001.7312.1512.15
#FFFFFF1.731.0021.0021.00
#00000012.1521.001.001.00
##00000012.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#DFC741
Deuteranopia (green-blind)
#D8C45B
Tritanopia (blue-blind)
#A6CCB9
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #a1d551;
/* rgb */ color: rgb(161, 213, 81);
/* oklch */ color: oklch(81.0% 0.170 128.0);
Tailwind
colors: {
  custom: {
    50: '#c0e287',
    500: '#a1d551',
    950: '#000000',
  },
}
SCSS
$custom: #a1d551;
$custom-light: #c0e287;
$custom-dark: #000000;
JSON
{
  "hex": "#a1d551",
  "rgb": {
    "r": 161,
    "g": 213,
    "b": 81
  },
  "hsl": {
    "h": 83.636,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.81047,
    "c": 0.16986,
    "h": 128
  },
  "luminance": 0.5576
}

Semantic roles & 50–950 ramp

primary
#A1D551
secondary
#5C3A90
accent
#44E483
background
#FDFEFC
surface
#F9FCF4
border
#D2D5CE
text
#13150C
muted
#82847F

Preview Lab

Preview with #A1D551

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

Preview Lab → · Contrast checker → · Palette generator →

#A1D551 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva