#A3CA3A#A3CA3A

#A3CA3A is a light, vivid yellow-green. Relative luminance 0.503; OKLCH L 78.4% C 0.171 H 123.7°. Best body text is #000000 at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#A3CA3A
RGB	rgb(163, 202, 58)
HSL	hsl(76, 58%, 51%)
HSV	hsv(76, 71%, 79%)
CMYK	cmyk(19.3%, 0%, 71.3%, 20.8%)
CIE-LAB	lab(76.27, -32.68, 63.82)
CIE-LCH	lch(76.27, 71.70, 117.12°)
OKLab	oklab(78.43% -0.095 0.1427)
OKLCH	oklch(78.43% 0.171 123.7)
XYZ	xyz(36.9889, 50.3328, 11.7687)
Luminance	0.5033 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3CA3A #613ACA

analogous

#CAA93A #A3CA3A #5BCA3A

triadic

#A3CA3A #3AA3CA #CA3AA3

tetradic

#A3CA3A #3ACAA9 #613ACA #CA3A5B

square

#A3CA3A #3ACAA9 #613ACA #CA3A5B

split-complementary

#A3CA3A #3A5BCA #A93ACA

monochromatic

#576C1D #7E9D2A #A3CA3A #BAD76A #D0E49A

Accessibility & contrast

On white

1.90

#A3CA3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.07

#A3CA3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3CA3A

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3CA3A	#FFFFFF	#000000	##000000
##A3CA3A	1.00	1.90	11.07	11.07
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.07	21.00	1.00	1.00
##000000	11.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD20

Deuteranopia (green-blind)

#D0BC46

Tritanopia (blue-blind)

#ABC0AE

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a3ca3a;
/* rgb */ color: rgb(163, 202, 58);
/* oklch */ color: oklch(78.4% 0.171 123.7);

Tailwind

colors: {
  custom: {
    50: '#c2da79',
    500: '#a3ca3a',
    950: '#000000',
  },
}

SCSS

$custom: #a3ca3a;
$custom-light: #c2da79;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ca3a",
  "rgb": {
    "r": 163,
    "g": 202,
    "b": 58
  },
  "hsl": {
    "h": 76.25,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.78432,
    "c": 0.17142,
    "h": 123.7
  },
  "luminance": 0.50333
}

Semantic roles & 50–950 ramp

primary

#A3CA3A

secondary

#453276

accent

#47E171

background

#FDFEFB

surface

#F9FBF2

border

#D2D4CC

text

#13140A

muted

#82837D

Preview Lab

Preview with #A3CA3A

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

Preview Lab → · Contrast checker → · Palette generator →