#A9CA21#A9CA21

#A9CA21 is a light, vivid yellow-green. Relative luminance 0.508; OKLCH L 78.7% C 0.181 H 121.1°. Best body text is #000000 at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#A9CA21
RGB	rgb(169, 202, 33)
HSL	hsl(72, 72%, 46%)
HSV	hsv(72, 84%, 79%)
CMYK	cmyk(16.3%, 0%, 83.7%, 20.8%)
CIE-LAB	lab(76.55, -31.36, 71.64)
CIE-LCH	lch(76.55, 78.20, 113.64°)
OKLab	oklab(78.72% -0.0935 0.155)
OKLCH	oklch(78.72% 0.181 121.1)
XYZ	xyz(37.7580, 50.7859, 9.2521)
Luminance	0.5079 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9CA21 #4221CA

analogous

#CA9621 #A9CA21 #54CA21

triadic

#A9CA21 #21A9CA #CA21A9

tetradic

#A9CA21 #21CA96 #4221CA #CA2154

square

#A9CA21 #21CA96 #4221CA #CA2154

split-complementary

#A9CA21 #2154CA #9621CA

monochromatic

#516110 #7D9518 #A9CA21 #C3E147 #D4EA7C

Accessibility & contrast

On white

1.88

#A9CA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.16

#A9CA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9CA21

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9CA21	#FFFFFF	#000000	##000000
##A9CA21	1.00	1.88	11.16	11.16
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.16	21.00	1.00	1.00
##000000	11.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BD00

Deuteranopia (green-blind)

#D3BD35

Tritanopia (blue-blind)

#B3BFAC

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #a9ca21;
/* rgb */ color: rgb(169, 202, 33);
/* oklch */ color: oklch(78.7% 0.181 121.1);

Tailwind

colors: {
  custom: {
    50: '#c7da6f',
    500: '#a9ca21',
    950: '#000000',
  },
}

SCSS

$custom: #a9ca21;
$custom-light: #c7da6f;
$custom-dark: #000000;

JSON

{
  "hex": "#a9ca21",
  "rgb": {
    "r": 169,
    "g": 202,
    "b": 33
  },
  "hsl": {
    "h": 71.716,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.78719,
    "c": 0.18106,
    "h": 121.1
  },
  "luminance": 0.50786
}

Semantic roles & 50–950 ramp

primary

#A9CA21

secondary

#32246C

accent

#39EF5D

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141408

muted

#83837D

Preview Lab

Preview with #A9CA21

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

Preview Lab → · Contrast checker → · Palette generator →