#A3DA37#A3DA37

#A3DA37 is a very light, vivid yellow-green. Relative luminance 0.582; OKLCH L 82.1% C 0.192 H 126.9°. Best body text is #000000 at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#A3DA37
RGB	rgb(163, 218, 55)
HSL	hsl(80, 69%, 54%)
HSV	hsv(80, 75%, 85%)
CMYK	cmyk(25.2%, 0%, 74.8%, 14.5%)
CIE-LAB	lab(80.85, -40.09, 69.28)
CIE-LCH	lch(80.85, 80.04, 120.06°)
OKLab	oklab(82.14% -0.1155 0.1537)
OKLCH	oklch(82.14% 0.192 126.9)
XYZ	xyz(40.8654, 58.2044, 12.6953)
Luminance	0.5820 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3DA37 #6E37DA

analogous

#DABF37 #A3DA37 #51DA37

triadic

#A3DA37 #37A3DA #DA37A3

tetradic

#A3DA37 #37DABF #6E37DA #DA3751

square

#A3DA37 #37DABF #6E37DA #DA3751

split-complementary

#A3DA37 #3751DA #BF37DA

monochromatic

#5C7F18 #82B321 #A3DA37 #BBE46B #D3ED9E

Accessibility & contrast

On white

1.66

#A3DA37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.64

#A3DA37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3DA37

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3DA37	#FFFFFF	#000000	##000000
##A3DA37	1.00	1.66	12.64	12.64
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.64	21.00	1.00	1.00
##000000	12.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CB10

Deuteranopia (green-blind)

#DEC847

Tritanopia (blue-blind)

#A9D0BB

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #a3da37;
/* rgb */ color: rgb(163, 218, 55);
/* oklch */ color: oklch(82.1% 0.192 126.9);

Tailwind

colors: {
  custom: {
    50: '#c3e57a',
    500: '#a3da37',
    950: '#000000',
  },
}

SCSS

$custom: #a3da37;
$custom-light: #c3e57a;
$custom-dark: #000000;

JSON

{
  "hex": "#a3da37",
  "rgb": {
    "r": 163,
    "g": 218,
    "b": 55
  },
  "hsl": {
    "h": 80.245,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.82136,
    "c": 0.19224,
    "h": 126.9
  },
  "luminance": 0.58205
}

Semantic roles & 50–950 ramp

primary

#A3DA37

secondary

#4C2F86

accent

#3CEC77

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13160A

muted

#82847D

Preview Lab

Preview with #A3DA37

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

Preview Lab → · Contrast checker → · Palette generator →