#A1C831#A1C831

#A1C831 is a light, vivid yellow-green. Relative luminance 0.491; OKLCH L 77.8% C 0.175 H 123.5°. Best body text is #000000 at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#A1C831
RGB	rgb(161, 200, 49)
HSL	hsl(75, 61%, 49%)
HSV	hsv(75, 76%, 78%)
CMYK	cmyk(19.5%, 0%, 75.5%, 21.6%)
CIE-LAB	lab(75.52, -33.02, 66.10)
CIE-LCH	lch(75.52, 73.89, 116.55°)
OKLab	oklab(77.77% -0.0966 0.1461)
OKLCH	oklch(77.77% 0.175 123.5)
XYZ	xyz(35.9070, 49.1071, 10.4921)
Luminance	0.4911 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1C831 #5831C8

analogous

#C8A431 #A1C831 #55C831

triadic

#A1C831 #31A1C8 #C831A1

tetradic

#A1C831 #31C8A4 #5831C8 #C83155

square

#A1C831 #31C8A4 #5831C8 #C83155

split-complementary

#A1C831 #3155C8 #A431C8

monochromatic

#526619 #799725 #A1C831 #B8D85F #CEE490

Accessibility & contrast

On white

1.94

#A1C831 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.82

#A1C831 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1C831

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1C831	#FFFFFF	#000000	##000000
##A1C831	1.00	1.94	10.82	10.82
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.82	21.00	1.00	1.00
##000000	10.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BB0A

Deuteranopia (green-blind)

#CFBA3F

Tritanopia (blue-blind)

#A9BEAC

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #a1c831;
/* rgb */ color: rgb(161, 200, 49);
/* oklch */ color: oklch(77.8% 0.175 123.5);

Tailwind

colors: {
  custom: {
    50: '#c1d875',
    500: '#a1c831',
    950: '#000000',
  },
}

SCSS

$custom: #a1c831;
$custom-light: #c1d875;
$custom-dark: #000000;

JSON

{
  "hex": "#a1c831",
  "rgb": {
    "r": 161,
    "g": 200,
    "b": 49
  },
  "hsl": {
    "h": 75.497,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.77772,
    "c": 0.17511,
    "h": 123.5
  },
  "luminance": 0.49107
}

Semantic roles & 50–950 ramp

primary

#A1C831

secondary

#9986CE

accent

#44E46D

background

#FCFDF7

surface

#F8FAED

border

#D1D3C8

text

#131409

muted

#82837B

Preview Lab

Preview with #A1C831

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

Preview Lab → · Contrast checker → · Palette generator →