#A1CA3B#A1CA3B

#A1CA3B is a light, vivid yellow-green. Relative luminance 0.501; OKLCH L 78.3% C 0.172 H 124.3°. Best body text is #000000 at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#A1CA3B
RGB	rgb(161, 202, 59)
HSL	hsl(77, 57%, 51%)
HSV	hsv(77, 71%, 79%)
CMYK	cmyk(20.3%, 0%, 70.8%, 20.8%)
CIE-LAB	lab(76.15, -33.41, 63.30)
CIE-LCH	lch(76.15, 71.58, 117.83°)
OKLab	oklab(78.3% -0.0968 0.1418)
OKLCH	oklch(78.3% 0.172 124.3)
XYZ	xyz(36.6082, 50.1336, 11.8849)
Luminance	0.5013 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1CA3B #643BCA

analogous

#CAAB3B #A1CA3B #59CA3B

triadic

#A1CA3B #3BA1CA #CA3BA1

tetradic

#A1CA3B #3BCAAB #643BCA #CA3B59

square

#A1CA3B #3BCAAB #643BCA #CA3B59

split-complementary

#A1CA3B #3B59CA #AB3BCA

monochromatic

#566D1E #7C9D2B #A1CA3B #B8D76B #CFE49B

Accessibility & contrast

On white

1.90

#A1CA3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.03

#A1CA3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1CA3B

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1CA3B	#FFFFFF	#000000	##000000
##A1CA3B	1.00	1.90	11.03	11.03
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.03	21.00	1.00	1.00
##000000	11.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD22

Deuteranopia (green-blind)

#D0BB47

Tritanopia (blue-blind)

#A9C0AE

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a1ca3b;
/* rgb */ color: rgb(161, 202, 59);
/* oklch */ color: oklch(78.3% 0.172 124.3);

Tailwind

colors: {
  custom: {
    50: '#c0da7a',
    500: '#a1ca3b',
    950: '#000000',
  },
}

SCSS

$custom: #a1ca3b;
$custom-light: #c0da7a;
$custom-dark: #000000;

JSON

{
  "hex": "#a1ca3b",
  "rgb": {
    "r": 161,
    "g": 202,
    "b": 59
  },
  "hsl": {
    "h": 77.203,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.78303,
    "c": 0.17169,
    "h": 124.3
  },
  "luminance": 0.50134
}

Semantic roles & 50–950 ramp

primary

#A1CA3B

secondary

#463377

accent

#47E173

background

#FDFEFB

surface

#F9FBF2

border

#D2D4CC

text

#13140A

muted

#82837D

Preview Lab

Preview with #A1CA3B

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

Preview Lab → · Contrast checker → · Palette generator →