#A4B31F#A4B31F

#A4B31F is a light, vivid yellow. Relative luminance 0.402; OKLCH L 73.1% C 0.159 H 115.8°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#A4B31F
RGB	rgb(164, 179, 31)
HSL	hsl(66, 70%, 41%)
HSV	hsv(66, 83%, 70%)
CMYK	cmyk(8.4%, 0%, 82.7%, 29.8%)
CIE-LAB	lab(69.63, -22.45, 66.05)
CIE-LCH	lch(69.63, 69.76, 108.77°)
OKLab	oklab(73.06% -0.069 0.1429)
OKLCH	oklch(73.06% 0.159 115.8)
XYZ	xyz(31.6782, 40.2322, 7.3929)
Luminance	0.4023 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4B31F #2E1FB3

analogous

#B3781F #A4B31F #5AB31F

triadic

#A4B31F #1FA4B3 #B31FA4

tetradic

#A4B31F #1FB378 #2E1FB3 #B31F5A

square

#A4B31F #1FB378 #2E1FB3 #B31F5A

split-complementary

#A4B31F #1F5AB3 #781FB3

monochromatic

#444B0D #747F16 #A4B31F #CBDC33 #D8E568

Accessibility & contrast

On white

2.32

#A4B31F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#A4B31F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4B31F

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4B31F	#FFFFFF	#000000	##000000
##A4B31F	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0A900

Deuteranopia (green-blind)

#BFAB2F

Tritanopia (blue-blind)

#AFA899

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #a4b31f;
/* rgb */ color: rgb(164, 179, 31);
/* oklch */ color: oklch(73.1% 0.159 115.8);

Tailwind

colors: {
  custom: {
    50: '#c3c96b',
    500: '#a4b31f',
    950: '#000000',
  },
}

SCSS

$custom: #a4b31f;
$custom-light: #c3c96b;
$custom-dark: #000000;

JSON

{
  "hex": "#a4b31f",
  "rgb": {
    "r": 164,
    "g": 179,
    "b": 31
  },
  "hsl": {
    "h": 66.081,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.73056,
    "c": 0.15867,
    "h": 115.8
  },
  "luminance": 0.40232
}

Semantic roles & 50–950 ramp

primary

#A4B31F

secondary

#6E64CA

accent

#3BED4D

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131307

muted

#82827A

Preview Lab

Preview with #A4B31F

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

Preview Lab → · Contrast checker → · Palette generator →