#A1B318#A1B318

#A1B318 is a light, vivid yellow. Relative luminance 0.399; OKLCH L 72.8% C 0.162 H 116.9°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#A1B318
RGB	rgb(161, 179, 24)
HSL	hsl(67, 76%, 40%)
HSV	hsv(67, 87%, 70%)
CMYK	cmyk(10.1%, 0%, 86.6%, 29.8%)
CIE-LAB	lab(69.39, -23.93, 67.37)
CIE-LCH	lch(69.39, 71.49, 109.56°)
OKLab	oklab(72.79% -0.0734 0.1447)
OKLCH	oklch(72.79% 0.162 116.9)
XYZ	xyz(30.9838, 39.8836, 6.9301)
Luminance	0.3988 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1B318 #2A18B3

analogous

#B37818 #A1B318 #53B318

triadic

#A1B318 #18A1B3 #B318A1

tetradic

#A1B318 #18B378 #2A18B3 #B31853

square

#A1B318 #18B378 #2A18B3 #B31853

split-complementary

#A1B318 #1853B3 #7818B3

monochromatic

#40470A #707D11 #A1B318 #CCE226 #D9E95C

Accessibility & contrast

On white

2.34

#A1B318 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#A1B318 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1B318

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1B318	#FFFFFF	#000000	##000000
##A1B318	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0A900

Deuteranopia (green-blind)

#BEAA2B

Tritanopia (blue-blind)

#ACA898

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #a1b318;
/* rgb */ color: rgb(161, 179, 24);
/* oklch */ color: oklch(72.8% 0.162 116.9);

Tailwind

colors: {
  custom: {
    50: '#c1c968',
    500: '#a1b318',
    950: '#000000',
  },
}

SCSS

$custom: #a1b318;
$custom-light: #c1c968;
$custom-dark: #000000;

JSON

{
  "hex": "#a1b318",
  "rgb": {
    "r": 161,
    "g": 179,
    "b": 24
  },
  "hsl": {
    "h": 66.968,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.72794,
    "c": 0.16224,
    "h": 116.9
  },
  "luminance": 0.39883
}

Semantic roles & 50–950 ramp

primary

#A1B318

secondary

#675ACD

accent

#35F34B

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131307

muted

#82827A

Preview Lab

Preview with #A1B318

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

Preview Lab → · Contrast checker → · Palette generator →