#B4B231#B4B231

#B4B231 is a light, vivid yellow. Relative luminance 0.418; OKLCH L 74.3% C 0.144 H 108.6°. Best body text is #000000 at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#B4B231
RGB	rgb(180, 178, 49)
HSL	hsl(59, 57%, 45%)
HSV	hsv(59, 73%, 71%)
CMYK	cmyk(0%, 1.1%, 72.8%, 29.4%)
CIE-LAB	lab(70.71, -14.35, 62.03)
CIE-LCH	lch(70.71, 63.67, 103.03°)
OKLab	oklab(74.26% -0.0459 0.1369)
OKLCH	oklch(74.26% 0.144 108.6)
XYZ	xyz(35.2985, 41.7670, 9.1076)
Luminance	0.4177 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4B231 #3133B4

analogous

#B47131 #B4B231 #75B431

triadic

#B4B231 #31B4B2 #B231B4

tetradic

#B4B231 #31B471 #3133B4 #B43175

square

#B4B231 #31B471 #3133B4 #B43175

split-complementary

#B4B231 #3175B4 #7131B4

monochromatic

#545317 #848224 #B4B231 #D0CE52 #DDDC82

Accessibility & contrast

On white

2.25

#B4B231 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.35

#B4B231 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4B231

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4B231	#FFFFFF	#000000	##000000
##B4B231	1.00	2.25	9.35	9.35
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.35	21.00	1.00	1.00
##000000	9.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AB18

Deuteranopia (green-blind)

#C3AF3B

Tritanopia (blue-blind)

#C1A699

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #b4b231;
/* rgb */ color: rgb(180, 178, 49);
/* oklch */ color: oklch(74.3% 0.144 108.6);

Tailwind

colors: {
  custom: {
    50: '#cec873',
    500: '#b4b231',
    950: '#000000',
  },
}

SCSS

$custom: #b4b231;
$custom-light: #cec873;
$custom-dark: #000000;

JSON

{
  "hex": "#b4b231",
  "rgb": {
    "r": 180,
    "g": 178,
    "b": 49
  },
  "hsl": {
    "h": 59.084,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.74257,
    "c": 0.14441,
    "h": 108.6
  },
  "luminance": 0.41766
}

Semantic roles & 50–950 ramp

primary

#B4B231

secondary

#7B7CC6

accent

#4AE047

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B4B231

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

Preview Lab → · Contrast checker → · Palette generator →