#A1CA45#A1CA45

#A1CA45 is a light, vivid yellow-green. Relative luminance 0.502; OKLCH L 78.4% C 0.165 H 124.8°. Best body text is #000000 at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#A1CA45
RGB	rgb(161, 202, 69)
HSL	hsl(78, 56%, 53%)
HSV	hsv(78, 66%, 79%)
CMYK	cmyk(20.3%, 0%, 65.8%, 20.8%)
CIE-LAB	lab(76.22, -32.77, 59.56)
CIE-LCH	lch(76.22, 67.98, 118.82°)
OKLab	oklab(78.38% -0.0942 0.1354)
OKLCH	oklch(78.38% 0.165 124.8)
XYZ	xyz(36.8929, 50.2474, 13.3841)
Luminance	0.5025 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1CA45 #6E45CA

analogous

#CAB045 #A1CA45 #5ECA45

triadic

#A1CA45 #45A1CA #CA45A1

tetradic

#A1CA45 #45CAB0 #6E45CA #CA455E

square

#A1CA45 #45CAB0 #6E45CA #CA455E

split-complementary

#A1CA45 #455ECA #B045CA

monochromatic

#5A7421 #7FA32F #A1CA45 #B9D875 #D1E5A4

Accessibility & contrast

On white

1.90

#A1CA45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.05

#A1CA45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1CA45

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1CA45	#FFFFFF	#000000	##000000
##A1CA45	1.00	1.90	11.05	11.05
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.05	21.00	1.00	1.00
##000000	11.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD33

Deuteranopia (green-blind)

#CFBB4F

Tritanopia (blue-blind)

#A8C1AF

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a1ca45;
/* rgb */ color: rgb(161, 202, 69);
/* oklch */ color: oklch(78.4% 0.165 124.8);

Tailwind

colors: {
  custom: {
    50: '#c0da7f',
    500: '#a1ca45',
    950: '#000000',
  },
}

SCSS

$custom: #a1ca45;
$custom-light: #c0da7f;
$custom-dark: #000000;

JSON

{
  "hex": "#a1ca45",
  "rgb": {
    "r": 161,
    "g": 202,
    "b": 69
  },
  "hsl": {
    "h": 78.496,
    "s": 55.649,
    "l": 53.137
  },
  "oklch": {
    "l": 0.78382,
    "c": 0.16492,
    "h": 124.8
  },
  "luminance": 0.50248
}

Semantic roles & 50–950 ramp

primary

#A1CA45

secondary

#4C377D

accent

#49DF77

background

#FDFEFB

surface

#F9FBF2

border

#D2D4CC

text

#13140B

muted

#82837E

Preview Lab

Preview with #A1CA45

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

Preview Lab → · Contrast checker → · Palette generator →