#A1D331#A1D331

#A1D331 is a light, vivid yellow-green. Relative luminance 0.544; OKLCH L 80.3% C 0.188 H 125.9°. Best body text is #000000 at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#A1D331
RGB	rgb(161, 211, 49)
HSL	hsl(79, 65%, 51%)
HSV	hsv(79, 77%, 83%)
CMYK	cmyk(23.7%, 0%, 76.8%, 17.3%)
CIE-LAB	lab(78.69, -38.03, 69.07)
CIE-LCH	lch(78.69, 78.85, 118.84°)
OKLab	oklab(80.34% -0.1102 0.1523)
OKLCH	oklch(80.34% 0.188 125.9)
XYZ	xyz(38.5468, 54.3868, 11.3720)
Luminance	0.5439 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1D331 #6331D3

analogous

#D3B431 #A1D331 #50D331

triadic

#A1D331 #31A1D3 #D331A1

tetradic

#A1D331 #31D3B4 #6331D3 #D33150

square

#A1D331 #31D3B4 #6331D3 #D33150

split-complementary

#A1D331 #3150D3 #B431D3

monochromatic

#567118 #7CA423 #A1D331 #B8DE63 #CFE996

Accessibility & contrast

On white

1.77

#A1D331 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.88

#A1D331 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1D331

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1D331	#FFFFFF	#000000	##000000
##A1D331	1.00	1.77	11.88	11.88
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.88	21.00	1.00	1.00
##000000	11.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC500

Deuteranopia (green-blind)

#D8C241

Tritanopia (blue-blind)

#A8C9B5

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #a1d331;
/* rgb */ color: rgb(161, 211, 49);
/* oklch */ color: oklch(80.3% 0.188 125.9);

Tailwind

colors: {
  custom: {
    50: '#c1e076',
    500: '#a1d331',
    950: '#000000',
  },
}

SCSS

$custom: #a1d331;
$custom-light: #c1e076;
$custom-dark: #000000;

JSON

{
  "hex": "#a1d331",
  "rgb": {
    "r": 161,
    "g": 211,
    "b": 49
  },
  "hsl": {
    "h": 78.519,
    "s": 64.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.80339,
    "c": 0.18803,
    "h": 125.9
  },
  "luminance": 0.54387
}

Semantic roles & 50–950 ramp

primary

#A1D331

secondary

#462E7A

accent

#40E874

background

#FDFEFB

surface

#F9FCF1

border

#D2D5CB

text

#131509

muted

#82847D

Preview Lab

Preview with #A1D331

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

Preview Lab → · Contrast checker → · Palette generator →