#A9B31A#A9B31A

#A9B31A is a light, vivid yellow. Relative luminance 0.407; OKLCH L 73.4% C 0.159 H 113.8°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#A9B31A
RGB	rgb(169, 179, 26)
HSL	hsl(64, 75%, 40%)
HSV	hsv(64, 85%, 70%)
CMYK	cmyk(5.6%, 0%, 85.5%, 29.8%)
CIE-LAB	lab(70.00, -20.45, 67.70)
CIE-LCH	lch(70.00, 70.72, 106.81°)
OKLab	oklab(73.44% -0.0641 0.1454)
OKLCH	oklch(73.44% 0.159 113.8)
XYZ	xyz(32.6698, 40.7505, 7.1217)
Luminance	0.4075 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9B31A #241AB3

analogous

#B3711A #A9B31A #5CB31A

triadic

#A9B31A #1AA9B3 #B31AA9

tetradic

#A9B31A #1AB371 #241AB3 #B31A5C

square

#A9B31A #1AB371 #241AB3 #B31A5C

split-complementary

#A9B31A #1A5CB3 #711AB3

monochromatic

#44480A #777E12 #A9B31A #D4E02A #DFE860

Accessibility & contrast

On white

2.30

#A9B31A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#A9B31A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9B31A

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9B31A	#FFFFFF	#000000	##000000
##A9B31A	1.00	2.30	9.15	9.15
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.15	21.00	1.00	1.00
##000000	9.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AA00

Deuteranopia (green-blind)

#C1AC2C

Tritanopia (blue-blind)

#B5A899

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #a9b31a;
/* rgb */ color: rgb(169, 179, 26);
/* oklch */ color: oklch(73.4% 0.159 113.8);

Tailwind

colors: {
  custom: {
    50: '#c7c969',
    500: '#a9b31a',
    950: '#000000',
  },
}

SCSS

$custom: #a9b31a;
$custom-light: #c7c969;
$custom-dark: #000000;

JSON

{
  "hex": "#a9b31a",
  "rgb": {
    "r": 169,
    "g": 179,
    "b": 26
  },
  "hsl": {
    "h": 63.922,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.7344,
    "c": 0.15888,
    "h": 113.8
  },
  "luminance": 0.4075
}

Semantic roles & 50–950 ramp

primary

#A9B31A

secondary

#645DCC

accent

#37F143

background

#FCFCF6

surface

#F9F8EC

border

#D2D1C7

text

#141307

muted

#82827A

Preview Lab

Preview with #A9B31A

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

Preview Lab → · Contrast checker → · Palette generator →