#A1BF37#A1BF37

#A1BF37 is a light, vivid yellow-green. Relative luminance 0.451; OKLCH L 75.7% C 0.161 H 121.3°. Best body text is #000000 at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#A1BF37
RGB	rgb(161, 191, 55)
HSL	hsl(73, 55%, 48%)
HSV	hsv(73, 71%, 75%)
CMYK	cmyk(15.7%, 0%, 71.2%, 25.1%)
CIE-LAB	lab(72.97, -28.48, 61.59)
CIE-LCH	lch(72.97, 67.86, 114.81°)
OKLab	oklab(75.72% -0.0836 0.1376)
OKLCH	oklch(75.72% 0.161 121.3)
XYZ	xyz(34.0189, 45.1145, 10.5295)
Luminance	0.4511 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1BF37 #5537BF

analogous

#BF9937 #A1BF37 #5DBF37

triadic

#A1BF37 #37A1BF #BF37A1

tetradic

#A1BF37 #37BF99 #5537BF #BF375D

square

#A1BF37 #37BF99 #5537BF #BF375D

split-complementary

#A1BF37 #375DBF #9937BF

monochromatic

#51601C #798F29 #A1BF37 #B9D262 #CEDF91

Accessibility & contrast

On white

2.10

#A1BF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.02

#A1BF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1BF37

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1BF37	#FFFFFF	#000000	##000000
##A1BF37	1.00	2.10	10.02	10.02
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.02	21.00	1.00	1.00
##000000	10.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB41F

Deuteranopia (green-blind)

#C7B342

Tritanopia (blue-blind)

#AAB5A4

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #a1bf37;
/* rgb */ color: rgb(161, 191, 55);
/* oklch */ color: oklch(75.7% 0.161 121.3);

Tailwind

colors: {
  custom: {
    50: '#c0d277',
    500: '#a1bf37',
    950: '#000000',
  },
}

SCSS

$custom: #a1bf37;
$custom-light: #c0d277;
$custom-dark: #000000;

JSON

{
  "hex": "#a1bf37",
  "rgb": {
    "r": 161,
    "g": 191,
    "b": 55
  },
  "hsl": {
    "h": 73.235,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.75723,
    "c": 0.16097,
    "h": 121.3
  },
  "luminance": 0.45115
}

Semantic roles & 50–950 ramp

primary

#A1BF37

secondary

#9688CA

accent

#49DF6A

background

#FCFCF7

surface

#F8F9EE

border

#D1D2C9

text

#131409

muted

#82827B

Preview Lab

Preview with #A1BF37

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

Preview Lab → · Contrast checker → · Palette generator →