#A3CA33#A3CA33

#A3CA33 is a light, vivid yellow-green. Relative luminance 0.503; OKLCH L 78.4% C 0.175 H 123.4°. Best body text is #000000 at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#A3CA33
RGB	rgb(163, 202, 51)
HSL	hsl(75, 60%, 50%)
HSV	hsv(75, 75%, 79%)
CMYK	cmyk(19.3%, 0%, 74.8%, 20.8%)
CIE-LAB	lab(76.23, -33.05, 66.17)
CIE-LCH	lch(76.23, 73.97, 116.54°)
OKLab	oklab(78.39% -0.0966 0.1465)
OKLCH	oklch(78.39% 0.176 123.4)
XYZ	xyz(36.8228, 50.2664, 10.8938)
Luminance	0.5027 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3CA33 #5A33CA

analogous

#CAA633 #A3CA33 #57CA33

triadic

#A3CA33 #33A3CA #CA33A3

tetradic

#A3CA33 #33CAA6 #5A33CA #CA3357

square

#A3CA33 #33CAA6 #5A33CA #CA3357

split-complementary

#A3CA33 #3357CA #A633CA

monochromatic

#54681A #7C9927 #A3CA33 #B9D863 #CFE494

Accessibility & contrast

On white

1.90

#A3CA33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.05

#A3CA33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3CA33

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3CA33	#FFFFFF	#000000	##000000
##A3CA33	1.00	1.90	11.05	11.05
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.05	21.00	1.00	1.00
##000000	11.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD10

Deuteranopia (green-blind)

#D1BC41

Tritanopia (blue-blind)

#ABC0AD

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a3ca33;
/* rgb */ color: rgb(163, 202, 51);
/* oklch */ color: oklch(78.4% 0.175 123.4);

Tailwind

colors: {
  custom: {
    50: '#c2da76',
    500: '#a3ca33',
    950: '#000000',
  },
}

SCSS

$custom: #a3ca33;
$custom-light: #c2da76;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ca33",
  "rgb": {
    "r": 163,
    "g": 202,
    "b": 51
  },
  "hsl": {
    "h": 75.497,
    "s": 59.684,
    "l": 49.608
  },
  "oklch": {
    "l": 0.78387,
    "c": 0.1755,
    "h": 123.4
  },
  "luminance": 0.50267
}

Semantic roles & 50–950 ramp

primary

#A3CA33

secondary

#402F72

accent

#45E36E

background

#FDFEFB

surface

#F9FBF1

border

#D2D4CB

text

#131409

muted

#82837D

Preview Lab

Preview with #A3CA33

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

Preview Lab → · Contrast checker → · Palette generator →