#A4B431#A4B431

#A4B431 is a light, vivid yellow. Relative luminance 0.408; OKLCH L 73.4% C 0.151 H 116.4°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#A4B431
RGB	rgb(164, 180, 49)
HSL	hsl(67, 57%, 45%)
HSV	hsv(67, 73%, 71%)
CMYK	cmyk(8.9%, 0%, 72.8%, 29.4%)
CIE-LAB	lab(70.01, -22.20, 60.92)
CIE-LCH	lch(70.01, 64.84, 110.03°)
OKLab	oklab(73.38% -0.0669 0.1351)
OKLCH	oklch(73.38% 0.151 116.4)
XYZ	xyz(32.1863, 40.7572, 9.0765)
Luminance	0.4076 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4B431 #4131B4

analogous

#B48231 #A4B431 #63B431

triadic

#A4B431 #31A4B4 #B431A4

tetradic

#A4B431 #31B482 #4131B4 #B43163

square

#A4B431 #31B482 #4131B4 #B43163

split-complementary

#A4B431 #3163B4 #8231B4

monochromatic

#4C5417 #788424 #A4B431 #C1D052 #D2DD82

Accessibility & contrast

On white

2.29

#A4B431 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#A4B431 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4B431

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4B431	#FFFFFF	#000000	##000000
##A4B431	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)

#C1AA18

Deuteranopia (green-blind)

#BFAC3C

Tritanopia (blue-blind)

#AEAA9B

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #a4b431;
/* rgb */ color: rgb(164, 180, 49);
/* oklch */ color: oklch(73.4% 0.151 116.4);

Tailwind

colors: {
  custom: {
    50: '#c2ca72',
    500: '#a4b431',
    950: '#000000',
  },
}

SCSS

$custom: #a4b431;
$custom-light: #c2ca72;
$custom-dark: #000000;

JSON

{
  "hex": "#a4b431",
  "rgb": {
    "r": 164,
    "g": 180,
    "b": 49
  },
  "hsl": {
    "h": 67.328,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.73382,
    "c": 0.15076,
    "h": 116.4
  },
  "luminance": 0.40757
}

Semantic roles & 50–950 ramp

primary

#A4B431

secondary

#847BC6

accent

#47E05A

background

#FCFCF7

surface

#F8F8ED

border

#D1D1C8

text

#131308

muted

#82827B

Preview Lab

Preview with #A4B431

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

Preview Lab → · Contrast checker → · Palette generator →