#A1DA39#A1DA39

#A1DA39 is a very light, vivid yellow-green. Relative luminance 0.580; OKLCH L 82.0% C 0.192 H 127.5°. Best body text is #000000 at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#A1DA39
RGB	rgb(161, 218, 57)
HSL	hsl(81, 69%, 54%)
HSV	hsv(81, 74%, 85%)
CMYK	cmyk(26.1%, 0%, 73.9%, 14.5%)
CIE-LAB	lab(80.75, -40.74, 68.49)
CIE-LCH	lch(80.75, 79.69, 120.74°)
OKLab	oklab(82.02% -0.117 0.1524)
OKLCH	oklch(82.02% 0.192 127.5)
XYZ	xyz(40.5079, 58.0144, 12.9338)
Luminance	0.5802 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1DA39 #7239DA

analogous

#DAC339 #A1DA39 #51DA39

triadic

#A1DA39 #39A1DA #DA39A1

tetradic

#A1DA39 #39DAC3 #7239DA #DA3951

square

#A1DA39 #39DAC3 #7239DA #DA3951

split-complementary

#A1DA39 #3951DA #C339DA

monochromatic

#5C8118 #80B422 #A1DA39 #B9E46D #D2EDA0

Accessibility & contrast

On white

1.67

#A1DA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.60

#A1DA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1DA39

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1DA39	#FFFFFF	#000000	##000000
##A1DA39	1.00	1.67	12.60	12.60
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.60	21.00	1.00	1.00
##000000	12.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CB16

Deuteranopia (green-blind)

#DDC748

Tritanopia (blue-blind)

#A7D0BB

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #a1da39;
/* rgb */ color: rgb(161, 218, 57);
/* oklch */ color: oklch(82.0% 0.192 127.5);

Tailwind

colors: {
  custom: {
    50: '#c1e57b',
    500: '#a1da39',
    950: '#000000',
  },
}

SCSS

$custom: #a1da39;
$custom-light: #c1e57b;
$custom-dark: #000000;

JSON

{
  "hex": "#a1da39",
  "rgb": {
    "r": 161,
    "g": 218,
    "b": 57
  },
  "hsl": {
    "h": 81.242,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.82024,
    "c": 0.19211,
    "h": 127.5
  },
  "luminance": 0.58015
}

Semantic roles & 50–950 ramp

primary

#A1DA39

secondary

#4F3088

accent

#3CEB7A

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13160A

muted

#82847D

Preview Lab

Preview with #A1DA39

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

Preview Lab → · Contrast checker → · Palette generator →