#A1B040#A1B040

#A1B040 is a light, vivid yellow. Relative luminance 0.390; OKLCH L 72.4% C 0.137 H 116.4°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#A1B040
RGB	rgb(161, 176, 64)
HSL	hsl(68, 47%, 47%)
HSV	hsv(68, 64%, 69%)
CMYK	cmyk(8.5%, 0%, 63.6%, 31%)
CIE-LAB	lab(68.75, -20.58, 53.72)
CIE-LCH	lch(68.75, 57.53, 110.96°)
OKLab	oklab(72.35% -0.0608 0.1224)
OKLCH	oklch(72.35% 0.137 116.4)
XYZ	xyz(31.1493, 38.9983, 10.7360)
Luminance	0.3900 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1B040 #4F40B0

analogous

#B08740 #A1B040 #69B040

triadic

#A1B040 #40A1B0 #B040A1

tetradic

#A1B040 #40B087 #4F40B0 #B04069

square

#A1B040 #40B087 #4F40B0 #B04069

split-complementary

#A1B040 #4069B0 #8740B0

monochromatic

#4F561F #788330 #A1B040 #BAC766 #CED893

Accessibility & contrast

On white

2.39

#A1B040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.80

#A1B040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1B040

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1B040	#FFFFFF	#000000	##000000
##A1B040	1.00	2.39	8.80	8.80
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.80	21.00	1.00	1.00
##000000	8.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA732

Deuteranopia (green-blind)

#BAA948

Tritanopia (blue-blind)

#ABA699

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #a1b040;
/* rgb */ color: rgb(161, 176, 64);
/* oklch */ color: oklch(72.4% 0.137 116.4);

Tailwind

colors: {
  custom: {
    50: '#bfc77a',
    500: '#a1b040',
    950: '#000000',
  },
}

SCSS

$custom: #a1b040;
$custom-light: #bfc77a;
$custom-dark: #000000;

JSON

{
  "hex": "#a1b040",
  "rgb": {
    "r": 161,
    "g": 176,
    "b": 64
  },
  "hsl": {
    "h": 68.036,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.72352,
    "c": 0.13664,
    "h": 116.4
  },
  "luminance": 0.38998
}

Semantic roles & 50–950 ramp

primary

#A1B040

secondary

#9189C3

accent

#51D663

background

#FCFCF7

surface

#F8F8EE

border

#D1D1C9

text

#13130A

muted

#82827C

Preview Lab

Preview with #A1B040

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

Preview Lab → · Contrast checker → · Palette generator →