#A0CA21#A0CA21

#A0CA21 is a light, vivid yellow-green. Relative luminance 0.498; OKLCH L 78.1% C 0.185 H 123.8°. Best body text is #000000 at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#A0CA21
RGB	rgb(160, 202, 33)
HSL	hsl(75, 72%, 46%)
HSV	hsv(75, 84%, 79%)
CMYK	cmyk(20.8%, 0%, 83.7%, 20.8%)
CIE-LAB	lab(75.96, -34.98, 70.90)
CIE-LCH	lch(75.96, 79.06, 116.26°)
OKLab	oklab(78.09% -0.1029 0.1538)
OKLCH	oklch(78.09% 0.185 123.8)
XYZ	xyz(35.8927, 49.8241, 9.1646)
Luminance	0.4982 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0CA21 #4B21CA

analogous

#CA9F21 #A0CA21 #4BCA21

triadic

#A0CA21 #21A0CA #CA21A0

tetradic

#A0CA21 #21CA9F #4B21CA #CA214B

square

#A0CA21 #21CA9F #4B21CA #CA214B

split-complementary

#A0CA21 #214BCA #9F21CA

monochromatic

#4D6110 #769518 #A0CA21 #BBE147 #CEEA7C

Accessibility & contrast

On white

1.92

#A0CA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.96

#A0CA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A0CA21

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0CA21	#FFFFFF	#000000	##000000
##A0CA21	1.00	1.92	10.96	10.96
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.96	21.00	1.00	1.00
##000000	10.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD00

Deuteranopia (green-blind)

#D0BB35

Tritanopia (blue-blind)

#A8C0AC

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #a0ca21;
/* rgb */ color: rgb(160, 202, 33);
/* oklch */ color: oklch(78.1% 0.185 123.8);

Tailwind

colors: {
  custom: {
    50: '#c1da6e',
    500: '#a0ca21',
    950: '#000000',
  },
}

SCSS

$custom: #a0ca21;
$custom-light: #c1da6e;
$custom-dark: #000000;

JSON

{
  "hex": "#a0ca21",
  "rgb": {
    "r": 160,
    "g": 202,
    "b": 33
  },
  "hsl": {
    "h": 74.911,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.78093,
    "c": 0.18502,
    "h": 123.8
  },
  "luminance": 0.49824
}

Semantic roles & 50–950 ramp

primary

#A0CA21

secondary

#8C75D2

accent

#39EF66

background

#FCFDF7

surface

#F8FAED

border

#D1D3C8

text

#131408

muted

#82837B

Preview Lab

Preview with #A0CA21

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

Preview Lab → · Contrast checker → · Palette generator →