#B4BB3F#B4BB3F

#B4BB3F is a light, vivid yellow. Relative luminance 0.456; OKLCH L 76.3% C 0.145 H 112.5°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#B4BB3F
RGB	rgb(180, 187, 63)
HSL	hsl(63, 50%, 49%)
HSV	hsv(63, 66%, 73%)
CMYK	cmyk(3.7%, 0%, 66.3%, 26.7%)
CIE-LAB	lab(73.29, -18.17, 59.33)
CIE-LCH	lch(73.29, 62.05, 107.03°)
OKLab	oklab(76.35% -0.0553 0.1336)
OKLCH	oklch(76.35% 0.145 112.5)
XYZ	xyz(37.4910, 45.6037, 11.5291)
Luminance	0.4560 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4BB3F #463FBB

analogous

#BB843F #B4BB3F #76BB3F

triadic

#B4BB3F #3FB4BB #BB3FB4

tetradic

#B4BB3F #3FBB84 #463FBB #BB3F76

square

#B4BB3F #3FBB84 #463FBB #BB3F76

split-complementary

#B4BB3F #3F76BB #843FBB

monochromatic

#5C5F20 #888D30 #B4BB3F #C7CD6A #D8DC98

Accessibility & contrast

On white

2.07

#B4BB3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#B4BB3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4BB3F

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4BB3F	#FFFFFF	#000000	##000000
##B4BB3F	1.00	2.07	10.12	10.12
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B22D

Deuteranopia (green-blind)

#C9B548

Tritanopia (blue-blind)

#C0B0A2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b4bb3f;
/* rgb */ color: rgb(180, 187, 63);
/* oklch */ color: oklch(76.3% 0.145 112.5);

Tailwind

colors: {
  custom: {
    50: '#cdcf7b',
    500: '#b4bb3f',
    950: '#000000',
  },
}

SCSS

$custom: #b4bb3f;
$custom-light: #cdcf7b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4bb3f",
  "rgb": {
    "r": 180,
    "g": 187,
    "b": 63
  },
  "hsl": {
    "h": 63.387,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.76347,
    "c": 0.14455,
    "h": 112.5
  },
  "luminance": 0.45603
}

Semantic roles & 50–950 ramp

primary

#B4BB3F

secondary

#918EC8

accent

#4FD956

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#14130A

muted

#83827C

Preview Lab

Preview with #B4BB3F

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

Preview Lab → · Contrast checker → · Palette generator →