#B4B540#B4B540

#B4B540 is a light, vivid yellow. Relative luminance 0.431; OKLCH L 75.0% C 0.137 H 109.8°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#B4B540
RGB	rgb(180, 181, 64)
HSL	hsl(61, 48%, 48%)
HSV	hsv(61, 65%, 71%)
CMYK	cmyk(0.6%, 0%, 64.6%, 29%)
CIE-LAB	lab(71.64, -15.07, 57.22)
CIE-LCH	lch(71.64, 59.17, 104.76°)
OKLab	oklab(75.03% -0.0465 0.1293)
OKLCH	oklch(75.03% 0.137 109.8)
XYZ	xyz(36.2728, 43.1222, 11.2622)
Luminance	0.4312 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4B540 #4140B5

analogous

#B57B40 #B4B540 #79B540

triadic

#B4B540 #40B4B5 #B540B4

tetradic

#B4B540 #40B57B #4140B5 #B54079

square

#B4B540 #40B57B #4140B5 #B54079

split-complementary

#B4B540 #4079B5 #7B40B5

monochromatic

#5A5B20 #878830 #B4B540 #C9CA68 #D9DA96

Accessibility & contrast

On white

2.18

#B4B540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.62

#B4B540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4B540

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4B540	#FFFFFF	#000000	##000000
##B4B540	1.00	2.18	9.62	9.62
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.62	21.00	1.00	1.00
##000000	9.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AE30

Deuteranopia (green-blind)

#C4B148

Tritanopia (blue-blind)

#C0AA9D

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #b4b540;
/* rgb */ color: rgb(180, 181, 64);
/* oklch */ color: oklch(75.0% 0.137 109.8);

Tailwind

colors: {
  custom: {
    50: '#cdcb7b',
    500: '#b4b540',
    950: '#000000',
  },
}

SCSS

$custom: #b4b540;
$custom-light: #cdcb7b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4b540",
  "rgb": {
    "r": 180,
    "g": 181,
    "b": 64
  },
  "hsl": {
    "h": 60.513,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.7503,
    "c": 0.13738,
    "h": 109.8
  },
  "luminance": 0.43121
}

Semantic roles & 50–950 ramp

primary

#B4B540

secondary

#8C8BC5

accent

#50D752

background

#FDFCF7

surface

#FAF8EE

border

#D3D1C9

text

#14130A

muted

#83827C

Preview Lab

Preview with #B4B540

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

Preview Lab → · Contrast checker → · Palette generator →