#A1CA33#A1CA33

#A1CA33 is a light, vivid yellow-green. Relative luminance 0.501; OKLCH L 78.3% C 0.176 H 124.0°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#A1CA33
RGB	rgb(161, 202, 51)
HSL	hsl(76, 60%, 50%)
HSV	hsv(76, 75%, 79%)
CMYK	cmyk(20.3%, 0%, 74.8%, 20.8%)
CIE-LAB	lab(76.10, -33.85, 66.01)
CIE-LCH	lch(76.10, 74.18, 117.15°)
OKLab	oklab(78.25% -0.0987 0.1462)
OKLCH	oklch(78.25% 0.176 124)
XYZ	xyz(36.4164, 50.0568, 10.8747)
Luminance	0.5006 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1CA33 #5C33CA

analogous

#CAA733 #A1CA33 #56CA33

triadic

#A1CA33 #33A1CA #CA33A1

tetradic

#A1CA33 #33CAA7 #5C33CA #CA3356

square

#A1CA33 #33CAA7 #5C33CA #CA3356

split-complementary

#A1CA33 #3356CA #A733CA

monochromatic

#53681A #7A9927 #A1CA33 #B8D863 #CEE494

Accessibility & contrast

On white

1.91

#A1CA33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.01

#A1CA33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1CA33

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1CA33	#FFFFFF	#000000	##000000
##A1CA33	1.00	1.91	11.01	11.01
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.01	21.00	1.00	1.00
##000000	11.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD10

Deuteranopia (green-blind)

#D0BB41

Tritanopia (blue-blind)

#A9C0AD

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a1ca33;
/* rgb */ color: rgb(161, 202, 51);
/* oklch */ color: oklch(78.3% 0.176 124.0);

Tailwind

colors: {
  custom: {
    50: '#c1da76',
    500: '#a1ca33',
    950: '#000000',
  },
}

SCSS

$custom: #a1ca33;
$custom-light: #c1da76;
$custom-dark: #000000;

JSON

{
  "hex": "#a1ca33",
  "rgb": {
    "r": 161,
    "g": 202,
    "b": 51
  },
  "hsl": {
    "h": 76.291,
    "s": 59.684,
    "l": 49.608
  },
  "oklch": {
    "l": 0.7825,
    "c": 0.17638,
    "h": 124
  },
  "luminance": 0.50057
}

Semantic roles & 50–950 ramp

primary

#A1CA33

secondary

#412F72

accent

#45E370

background

#FDFEFB

surface

#F9FBF1

border

#D2D4CB

text

#131409

muted

#82837D

Preview Lab

Preview with #A1CA33

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

Preview Lab → · Contrast checker → · Palette generator →