#A1D83B#A1D83B

#A1D83B is a light, vivid yellow-green. Relative luminance 0.570; OKLCH L 81.6% C 0.189 H 127.3°. Best body text is #000000 at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#A1D83B
RGB	rgb(161, 216, 59)
HSL	hsl(81, 67%, 54%)
HSV	hsv(81, 73%, 85%)
CMYK	cmyk(25.5%, 0%, 72.7%, 15.3%)
CIE-LAB	lab(80.18, -39.75, 67.27)
CIE-LCH	lch(80.18, 78.14, 120.58°)
OKLab	oklab(81.57% -0.1142 0.1501)
OKLCH	oklch(81.57% 0.189 127.3)
XYZ	xyz(40.0433, 57.0038, 13.0300)
Luminance	0.5700 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1D83B #723BD8

analogous

#D8C13B #A1D83B #53D83B

triadic

#A1D83B #3BA1D8 #D83BA1

tetradic

#A1D83B #3BD8C1 #723BD8 #D83B53

square

#A1D83B #3BD8C1 #723BD8 #D83B53

split-complementary

#A1D83B #3B53D8 #C13BD8

monochromatic

#5C7F19 #80B223 #A1D83B #B9E26E #D2ECA1

Accessibility & contrast

On white

1.69

#A1D83B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.40

#A1D83B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1D83B

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1D83B	#FFFFFF	#000000	##000000
##A1D83B	1.00	1.69	12.40	12.40
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.40	21.00	1.00	1.00
##000000	12.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3C91C

Deuteranopia (green-blind)

#DBC64A

Tritanopia (blue-blind)

#A7CEBA

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #a1d83b;
/* rgb */ color: rgb(161, 216, 59);
/* oklch */ color: oklch(81.6% 0.189 127.3);

Tailwind

colors: {
  custom: {
    50: '#c1e47b',
    500: '#a1d83b',
    950: '#000000',
  },
}

SCSS

$custom: #a1d83b;
$custom-light: #c1e47b;
$custom-dark: #000000;

JSON

{
  "hex": "#a1d83b",
  "rgb": {
    "r": 161,
    "g": 216,
    "b": 59
  },
  "hsl": {
    "h": 81.019,
    "s": 66.809,
    "l": 53.922
  },
  "oklch": {
    "l": 0.81568,
    "c": 0.18859,
    "h": 127.3
  },
  "luminance": 0.57005
}

Semantic roles & 50–950 ramp

primary

#A1D83B

secondary

#4F3186

accent

#3EEA7A

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A1D83B

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

Preview Lab → · Contrast checker → · Palette generator →