#A1DA37#A1DA37

#A1DA37 is a very light, vivid yellow-green. Relative luminance 0.580; OKLCH L 82.0% C 0.193 H 127.4°. Best body text is #000000 at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#A1DA37
RGB	rgb(161, 218, 55)
HSL	hsl(81, 69%, 54%)
HSV	hsv(81, 75%, 85%)
CMYK	cmyk(26.1%, 0%, 74.8%, 14.5%)
CIE-LAB	lab(80.74, -40.84, 69.13)
CIE-LCH	lch(80.74, 80.29, 120.58°)
OKLab	oklab(82.01% -0.1174 0.1534)
OKLCH	oklch(82.01% 0.193 127.4)
XYZ	xyz(40.4590, 57.9949, 12.6762)
Luminance	0.5800 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1DA37 #7037DA

analogous

#DAC237 #A1DA37 #4FDA37

triadic

#A1DA37 #37A1DA #DA37A1

tetradic

#A1DA37 #37DAC2 #7037DA #DA374F

square

#A1DA37 #37DAC2 #7037DA #DA374F

split-complementary

#A1DA37 #374FDA #C237DA

monochromatic

#5B7F18 #80B321 #A1DA37 #B9E46B #D2ED9E

Accessibility & contrast

On white

1.67

#A1DA37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.60

#A1DA37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1DA37

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1DA37	#FFFFFF	#000000	##000000
##A1DA37	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)

#E5CB10

Deuteranopia (green-blind)

#DDC747

Tritanopia (blue-blind)

#A7D0BB

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #a1da37;
/* rgb */ color: rgb(161, 218, 55);
/* oklch */ color: oklch(82.0% 0.193 127.4);

Tailwind

colors: {
  custom: {
    50: '#c1e57a',
    500: '#a1da37',
    950: '#000000',
  },
}

SCSS

$custom: #a1da37;
$custom-light: #c1e57a;
$custom-dark: #000000;

JSON

{
  "hex": "#a1da37",
  "rgb": {
    "r": 161,
    "g": 218,
    "b": 55
  },
  "hsl": {
    "h": 80.982,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.82011,
    "c": 0.1932,
    "h": 127.4
  },
  "luminance": 0.57996
}

Semantic roles & 50–950 ramp

primary

#A1DA37

secondary

#4D2F86

accent

#3CEC7A

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13160A

muted

#82847D

Preview Lab

Preview with #A1DA37

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

Preview Lab → · Contrast checker → · Palette generator →