#A9B31F#A9B31F

#A9B31F is a light, vivid yellow. Relative luminance 0.408; OKLCH L 73.5% C 0.157 H 113.8°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#A9B31F
RGB	rgb(169, 179, 31)
HSL	hsl(64, 70%, 41%)
HSV	hsv(64, 83%, 70%)
CMYK	cmyk(5.6%, 0%, 82.7%, 29.8%)
CIE-LAB	lab(70.02, -20.30, 66.53)
CIE-LCH	lch(70.02, 69.56, 106.97°)
OKLab	oklab(73.46% -0.0634 0.1437)
OKLCH	oklch(73.46% 0.157 113.8)
XYZ	xyz(32.7307, 40.7748, 7.4422)
Luminance	0.4077 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9B31F #291FB3

analogous

#B3731F #A9B31F #5FB31F

triadic

#A9B31F #1FA9B3 #B31FA9

tetradic

#A9B31F #1FB373 #291FB3 #B31F5F

square

#A9B31F #1FB373 #291FB3 #B31F5F

split-complementary

#A9B31F #1F5FB3 #731FB3

monochromatic

#464B0D #787F16 #A9B31F #D0DC33 #DCE568

Accessibility & contrast

On white

2.29

#A9B31F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#A9B31F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9B31F

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9B31F	#FFFFFF	#000000	##000000
##A9B31F	1.00	2.29	9.15	9.15
#FFFFFF	2.29	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)

#C1AC2F

Tritanopia (blue-blind)

#B5A899

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #a9b31f;
/* rgb */ color: rgb(169, 179, 31);
/* oklch */ color: oklch(73.5% 0.157 113.8);

Tailwind

colors: {
  custom: {
    50: '#c7c96b',
    500: '#a9b31f',
    950: '#000000',
  },
}

SCSS

$custom: #a9b31f;
$custom-light: #c7c96b;
$custom-dark: #000000;

JSON

{
  "hex": "#a9b31f",
  "rgb": {
    "r": 169,
    "g": 179,
    "b": 31
  },
  "hsl": {
    "h": 64.054,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.73459,
    "c": 0.15705,
    "h": 113.8
  },
  "luminance": 0.40774
}

Semantic roles & 50–950 ramp

primary

#A9B31F

secondary

#6A64CA

accent

#3BED47

background

#FCFCF6

surface

#F9F8EC

border

#D2D1C7

text

#141307

muted

#82827A

Preview Lab

Preview with #A9B31F

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

Preview Lab → · Contrast checker → · Palette generator →