#A1D542#A1D542

#A1D542 is a light, vivid yellow-green. Relative luminance 0.556; OKLCH L 80.9% C 0.181 H 127.0°. Best body text is #000000 at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#A1D542
RGB	rgb(161, 213, 66)
HSL	hsl(81, 64%, 55%)
HSV	hsv(81, 69%, 84%)
CMYK	cmyk(24.4%, 0%, 69%, 16.5%)
CIE-LAB	lab(79.36, -37.99, 63.96)
CIE-LCH	lch(79.36, 74.39, 120.71°)
OKLab	oklab(80.92% -0.1088 0.1442)
OKLCH	oklch(80.92% 0.181 127)
XYZ	xyz(39.4756, 55.5582, 13.7972)
Luminance	0.5556 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1D542 #7642D5

analogous

#D5BF42 #A1D542 #58D542

triadic

#A1D542 #42A1D5 #D542A1

tetradic

#A1D542 #42D5BF #7642D5 #D54258

square

#A1D542 #42D5BF #7642D5 #D54258

split-complementary

#A1D542 #4258D5 #BF42D5

monochromatic

#5D801C #81B228 #A1D542 #BAE074 #D3EBA6

Accessibility & contrast

On white

1.73

#A1D542 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.11

#A1D542 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1D542

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1D542	#FFFFFF	#000000	##000000
##A1D542	1.00	1.73	12.11	12.11
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.11	21.00	1.00	1.00
##000000	12.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C72B

Deuteranopia (green-blind)

#D9C44E

Tritanopia (blue-blind)

#A7CBB8

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a1d542;
/* rgb */ color: rgb(161, 213, 66);
/* oklch */ color: oklch(80.9% 0.181 127.0);

Tailwind

colors: {
  custom: {
    50: '#c1e27f',
    500: '#a1d542',
    950: '#000000',
  },
}

SCSS

$custom: #a1d542;
$custom-light: #c1e27f;
$custom-dark: #000000;

JSON

{
  "hex": "#a1d542",
  "rgb": {
    "r": 161,
    "g": 213,
    "b": 66
  },
  "hsl": {
    "h": 81.224,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.80917,
    "c": 0.18064,
    "h": 127
  },
  "luminance": 0.55559
}

Semantic roles & 50–950 ramp

primary

#A1D542

secondary

#513487

accent

#41E77C

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150B

muted

#82847E

Preview Lab

Preview with #A1D542

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

Preview Lab → · Contrast checker → · Palette generator →