#A1D63B#A1D63B

#A1D63B is a light, vivid yellow-green. Relative luminance 0.560; OKLCH L 81.1% C 0.186 H 126.9°. Best body text is #000000 at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#A1D63B
RGB	rgb(161, 214, 59)
HSL	hsl(81, 65%, 54%)
HSV	hsv(81, 72%, 84%)
CMYK	cmyk(24.8%, 0%, 72.4%, 16.1%)
CIE-LAB	lab(79.61, -38.86, 66.71)
CIE-LCH	lch(79.61, 77.20, 120.22°)
OKLab	oklab(81.1% -0.1117 0.1489)
OKLCH	oklch(81.1% 0.186 126.9)
XYZ	xyz(39.5341, 55.9852, 12.8602)
Luminance	0.5599 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1D63B #703BD6

analogous

#D6BD3B #A1D63B #53D63B

triadic

#A1D63B #3BA1D6 #D63BA1

tetradic

#A1D63B #3BD6BD #703BD6 #D63B53

square

#A1D63B #3BD6BD #703BD6 #D63B53

split-complementary

#A1D63B #3B53D6 #BD3BD6

monochromatic

#5B7D1A #80AF25 #A1D63B #B9E16E #D2EBA0

Accessibility & contrast

On white

1.72

#A1D63B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.20

#A1D63B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1D63B

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1D63B	#FFFFFF	#000000	##000000
##A1D63B	1.00	1.72	12.20	12.20
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.20	21.00	1.00	1.00
##000000	12.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C71D

Deuteranopia (green-blind)

#DAC449

Tritanopia (blue-blind)

#A7CCB8

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a1d63b;
/* rgb */ color: rgb(161, 214, 59);
/* oklch */ color: oklch(81.1% 0.186 126.9);

Tailwind

colors: {
  custom: {
    50: '#c1e37b',
    500: '#a1d63b',
    950: '#000000',
  },
}

SCSS

$custom: #a1d63b;
$custom-light: #c1e37b;
$custom-dark: #000000;

JSON

{
  "hex": "#a1d63b",
  "rgb": {
    "r": 161,
    "g": 214,
    "b": 59
  },
  "hsl": {
    "h": 80.516,
    "s": 65.401,
    "l": 53.529
  },
  "oklch": {
    "l": 0.81101,
    "c": 0.18619,
    "h": 126.9
  },
  "luminance": 0.55986
}

Semantic roles & 50–950 ramp

primary

#A1D63B

secondary

#4D3184

accent

#3FE879

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A1D63B

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

Preview Lab → · Contrast checker → · Palette generator →