#A6CA21#A6CA21

#A6CA21 is a light, vivid yellow-green. Relative luminance 0.505; OKLCH L 78.5% C 0.182 H 122.0°. Best body text is #000000 at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#A6CA21
RGB	rgb(166, 202, 33)
HSL	hsl(73, 72%, 46%)
HSV	hsv(73, 84%, 79%)
CMYK	cmyk(17.8%, 0%, 83.7%, 20.8%)
CIE-LAB	lab(76.35, -32.58, 71.39)
CIE-LCH	lch(76.35, 78.47, 114.53°)
OKLab	oklab(78.51% -0.0967 0.1546)
OKLCH	oklch(78.51% 0.182 122)
XYZ	xyz(37.1216, 50.4578, 9.2222)
Luminance	0.5046 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6CA21 #4521CA

analogous

#CA9921 #A6CA21 #51CA21

triadic

#A6CA21 #21A6CA #CA21A6

tetradic

#A6CA21 #21CA99 #4521CA #CA2151

square

#A6CA21 #21CA99 #4521CA #CA2151

split-complementary

#A6CA21 #2151CA #9921CA

monochromatic

#506110 #7B9518 #A6CA21 #C0E147 #D2EA7C

Accessibility & contrast

On white

1.89

#A6CA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.09

#A6CA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A6CA21

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6CA21	#FFFFFF	#000000	##000000
##A6CA21	1.00	1.89	11.09	11.09
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.09	21.00	1.00	1.00
##000000	11.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BD00

Deuteranopia (green-blind)

#D2BC35

Tritanopia (blue-blind)

#AFBFAC

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a6ca21;
/* rgb */ color: rgb(166, 202, 33);
/* oklch */ color: oklch(78.5% 0.182 122.0);

Tailwind

colors: {
  custom: {
    50: '#c5da6f',
    500: '#a6ca21',
    950: '#000000',
  },
}

SCSS

$custom: #a6ca21;
$custom-light: #c5da6f;
$custom-dark: #000000;

JSON

{
  "hex": "#a6ca21",
  "rgb": {
    "r": 166,
    "g": 202,
    "b": 33
  },
  "hsl": {
    "h": 72.781,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.78506,
    "c": 0.18235,
    "h": 122
  },
  "luminance": 0.50458
}

Semantic roles & 50–950 ramp

primary

#A6CA21

secondary

#33246C

accent

#39EF60

background

#FEFEFB

surface

#FAFBF1

border

#D3D4CB

text

#131408

muted

#83837D

Preview Lab

Preview with #A6CA21

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

Preview Lab → · Contrast checker → · Palette generator →