#A3D53B#A3D53B

#A3D53B is a light, vivid yellow-green. Relative luminance 0.557; OKLCH L 81.0% C 0.184 H 126.1°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#A3D53B
RGB	rgb(163, 213, 59)
HSL	hsl(79, 65%, 53%)
HSV	hsv(79, 72%, 84%)
CMYK	cmyk(23.5%, 0%, 72.3%, 16.5%)
CIE-LAB	lab(79.44, -37.65, 66.58)
CIE-LCH	lch(79.44, 76.49, 119.49°)
OKLab	oklab(81% -0.1085 0.1486)
OKLCH	oklch(81% 0.184 126.1)
XYZ	xyz(39.6881, 55.6902, 12.7952)
Luminance	0.5569 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D53B #6D3BD5

analogous

#D5BA3B #A3D53B #56D53B

triadic

#A3D53B #3BA3D5 #D53BA3

tetradic

#A3D53B #3BD5BA #6D3BD5 #D53B56

square

#A3D53B #3BD5BA #6D3BD5 #D53B56

split-complementary

#A3D53B #3B56D5 #BA3BD5

monochromatic

#5C7B1A #81AE25 #A3D53B #BBE06D #D2EBA0

Accessibility & contrast

On white

1.73

#A3D53B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.14

#A3D53B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D53B

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D53B	#FFFFFF	#000000	##000000
##A3D53B	1.00	1.73	12.14	12.14
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.14	21.00	1.00	1.00
##000000	12.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C71D

Deuteranopia (green-blind)

#D9C449

Tritanopia (blue-blind)

#AACBB7

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a3d53b;
/* rgb */ color: rgb(163, 213, 59);
/* oklch */ color: oklch(81.0% 0.184 126.1);

Tailwind

colors: {
  custom: {
    50: '#c2e27b',
    500: '#a3d53b',
    950: '#000000',
  },
}

SCSS

$custom: #a3d53b;
$custom-light: #c2e27b;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d53b",
  "rgb": {
    "r": 163,
    "g": 213,
    "b": 59
  },
  "hsl": {
    "h": 79.481,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.80996,
    "c": 0.18404,
    "h": 126.1
  },
  "luminance": 0.55691
}

Semantic roles & 50–950 ramp

primary

#A3D53B

secondary

#4C3183

accent

#40E877

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A3D53B

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

Preview Lab → · Contrast checker → · Palette generator →