#A1CA15#A1CA15

#A1CA15 is a light, vivid yellow-green. Relative luminance 0.499; OKLCH L 78.1% C 0.188 H 123.3°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#A1CA15
RGB	rgb(161, 202, 21)
HSL	hsl(74, 81%, 44%)
HSV	hsv(74, 90%, 79%)
CMYK	cmyk(20.3%, 0%, 89.6%, 20.8%)
CIE-LAB	lab(75.99, -34.90, 73.32)
CIE-LCH	lch(75.99, 81.21, 115.45°)
OKLab	oklab(78.12% -0.1033 0.1573)
OKLCH	oklch(78.12% 0.188 123.3)
XYZ	xyz(35.9544, 49.8720, 8.4414)
Luminance	0.4987 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1CA15 #3E15CA

analogous

#CA9815 #A1CA15 #46CA15

triadic

#A1CA15 #15A1CA #CA15A1

tetradic

#A1CA15 #15CA98 #3E15CA #CA1546

square

#A1CA15 #15CA98 #3E15CA #CA1546

split-complementary

#A1CA15 #1546CA #9815CA

monochromatic

#495B09 #75930F #A1CA15 #C0EA32 #D1EF6A

Accessibility & contrast

On white

1.91

#A1CA15 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#A1CA15 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1CA15

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1CA15	#FFFFFF	#000000	##000000
##A1CA15	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD00

Deuteranopia (green-blind)

#D1BB2F

Tritanopia (blue-blind)

#AABFAC

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #a1ca15;
/* rgb */ color: rgb(161, 202, 21);
/* oklch */ color: oklch(78.1% 0.188 123.3);

Tailwind

colors: {
  custom: {
    50: '#c2da6b',
    500: '#a1ca15',
    950: '#000000',
  },
}

SCSS

$custom: #a1ca15;
$custom-light: #c2da6b;
$custom-dark: #000000;

JSON

{
  "hex": "#a1ca15",
  "rgb": {
    "r": 161,
    "g": 202,
    "b": 21
  },
  "hsl": {
    "h": 73.591,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.78122,
    "c": 0.1882,
    "h": 123.3
  },
  "luminance": 0.49872
}

Semantic roles & 50–950 ramp

primary

#A1CA15

secondary

#7F66D5

accent

#30F85D

background

#FCFDF7

surface

#F8FAED

border

#D1D3C8

text

#131408

muted

#82837B

Preview Lab

Preview with #A1CA15

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

Preview Lab → · Contrast checker → · Palette generator →