#B4B640#B4B640

#B4B640 is a light, vivid yellow. Relative luminance 0.435; OKLCH L 75.3% C 0.138 H 110.2°. Best body text is #000000 at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#B4B640
RGB	rgb(180, 182, 64)
HSL	hsl(61, 48%, 48%)
HSV	hsv(61, 65%, 71%)
CMYK	cmyk(1.1%, 0%, 64.8%, 28.6%)
CIE-LAB	lab(71.91, -15.58, 57.50)
CIE-LCH	lch(71.91, 59.58, 105.16°)
OKLab	oklab(75.25% -0.0479 0.1299)
OKLCH	oklch(75.25% 0.138 110.2)
XYZ	xyz(36.4769, 43.5303, 11.3302)
Luminance	0.4353 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4B640 #4240B6

analogous

#B67D40 #B4B640 #79B640

triadic

#B4B640 #40B4B6 #B640B4

tetradic

#B4B640 #40B67D #4240B6 #B64079

square

#B4B640 #40B67D #4240B6 #B64079

split-complementary

#B4B640 #4079B6 #7D40B6

monochromatic

#5A5B20 #878930 #B4B640 #C9CA69 #D9DA96

Accessibility & contrast

On white

2.16

#B4B640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.71

#B4B640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4B640

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4B640	#FFFFFF	#000000	##000000
##B4B640	1.00	2.16	9.71	9.71
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.71	21.00	1.00	1.00
##000000	9.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE30

Deuteranopia (green-blind)

#C5B248

Tritanopia (blue-blind)

#C0AB9E

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #b4b640;
/* rgb */ color: rgb(180, 182, 64);
/* oklch */ color: oklch(75.3% 0.138 110.2);

Tailwind

colors: {
  custom: {
    50: '#cdcb7b',
    500: '#b4b640',
    950: '#000000',
  },
}

SCSS

$custom: #b4b640;
$custom-light: #cdcb7b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4b640",
  "rgb": {
    "r": 180,
    "g": 182,
    "b": 64
  },
  "hsl": {
    "h": 61.017,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.75251,
    "c": 0.13844,
    "h": 110.2
  },
  "luminance": 0.43529
}

Semantic roles & 50–950 ramp

primary

#B4B640

secondary

#8D8CC6

accent

#50D853

background

#FDFCF7

surface

#FAF8EE

border

#D3D1C9

text

#14130A

muted

#83827C

Preview Lab

Preview with #B4B640

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

Preview Lab → · Contrast checker → · Palette generator →