#A3D63B#A3D63B

#A3D63B is a light, vivid yellow-green. Relative luminance 0.562; OKLCH L 81.2% C 0.185 H 126.3°. Best body text is #000000 at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#A3D63B
RGB	rgb(163, 214, 59)
HSL	hsl(80, 65%, 54%)
HSV	hsv(80, 72%, 84%)
CMYK	cmyk(23.8%, 0%, 72.4%, 16.1%)
CIE-LAB	lab(79.72, -38.10, 66.87)
CIE-LCH	lch(79.72, 76.96, 119.67°)
OKLab	oklab(81.23% -0.1098 0.1492)
OKLCH	oklch(81.23% 0.185 126.3)
XYZ	xyz(39.9404, 56.1948, 12.8793)
Luminance	0.5619 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3D63B #6E3BD6

analogous

#D6BB3B #A3D63B #55D63B

triadic

#A3D63B #3BA3D6 #D63BA3

tetradic

#A3D63B #3BD6BB #6E3BD6 #D63B55

square

#A3D63B #3BD6BB #6E3BD6 #D63B55

split-complementary

#A3D63B #3B55D6 #BB3BD6

monochromatic

#5C7D1A #82AF25 #A3D63B #BBE16E #D3EBA0

Accessibility & contrast

On white

1.72

#A3D63B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.24

#A3D63B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3D63B

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3D63B	#FFFFFF	#000000	##000000
##A3D63B	1.00	1.72	12.24	12.24
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.24	21.00	1.00	1.00
##000000	12.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C81D

Deuteranopia (green-blind)

#DAC549

Tritanopia (blue-blind)

#AACCB8

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #a3d63b;
/* rgb */ color: rgb(163, 214, 59);
/* oklch */ color: oklch(81.2% 0.185 126.3);

Tailwind

colors: {
  custom: {
    50: '#c2e27b',
    500: '#a3d63b',
    950: '#000000',
  },
}

SCSS

$custom: #a3d63b;
$custom-light: #c2e27b;
$custom-dark: #000000;

JSON

{
  "hex": "#a3d63b",
  "rgb": {
    "r": 163,
    "g": 214,
    "b": 59
  },
  "hsl": {
    "h": 79.742,
    "s": 65.401,
    "l": 53.529
  },
  "oklch": {
    "l": 0.81228,
    "c": 0.18524,
    "h": 126.3
  },
  "luminance": 0.56195
}

Semantic roles & 50–950 ramp

primary

#A3D63B

secondary

#4C3184

accent

#3FE877

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A3D63B

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

Preview Lab → · Contrast checker → · Palette generator →