#A1BF31#A1BF31

#A1BF31 is a light, vivid yellow-green. Relative luminance 0.451; OKLCH L 75.7% C 0.165 H 121.1°. Best body text is #000000 at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#A1BF31
RGB	rgb(161, 191, 49)
HSL	hsl(73, 59%, 47%)
HSV	hsv(73, 74%, 75%)
CMYK	cmyk(15.7%, 0%, 74.3%, 25.1%)
CIE-LAB	lab(72.93, -28.80, 63.65)
CIE-LCH	lch(72.93, 69.86, 114.34°)
OKLab	oklab(75.68% -0.085 0.1409)
OKLCH	oklch(75.68% 0.165 121.1)
XYZ	xyz(33.8837, 45.0605, 9.8176)
Luminance	0.4506 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1BF31 #4F31BF

analogous

#BF9631 #A1BF31 #5ABF31

triadic

#A1BF31 #31A1BF #BF31A1

tetradic

#A1BF31 #31BF96 #4F31BF #BF315A

square

#A1BF31 #31BF96 #4F31BF #BF315A

split-complementary

#A1BF31 #315ABF #9631BF

monochromatic

#4F5E18 #788E25 #A1BF31 #BAD459 #CEE18A

Accessibility & contrast

On white

2.10

#A1BF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.01

#A1BF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1BF31

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1BF31	#FFFFFF	#000000	##000000
##A1BF31	1.00	2.10	10.01	10.01
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.01	21.00	1.00	1.00
##000000	10.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB312

Deuteranopia (green-blind)

#C7B33E

Tritanopia (blue-blind)

#AAB5A4

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #a1bf31;
/* rgb */ color: rgb(161, 191, 49);
/* oklch */ color: oklch(75.7% 0.165 121.1);

Tailwind

colors: {
  custom: {
    50: '#c0d274',
    500: '#a1bf31',
    950: '#000000',
  },
}

SCSS

$custom: #a1bf31;
$custom-light: #c0d274;
$custom-dark: #000000;

JSON

{
  "hex": "#a1bf31",
  "rgb": {
    "r": 161,
    "g": 191,
    "b": 49
  },
  "hsl": {
    "h": 72.676,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.75683,
    "c": 0.16455,
    "h": 121.1
  },
  "luminance": 0.4506
}

Semantic roles & 50–950 ramp

primary

#A1BF31

secondary

#9181CB

accent

#45E267

background

#FCFCF7

surface

#F8F9ED

border

#D1D2C8

text

#131409

muted

#82827B

Preview Lab

Preview with #A1BF31

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

Preview Lab → · Contrast checker → · Palette generator →