#B4BB37#B4BB37

#B4BB37 is a light, vivid yellow. Relative luminance 0.455; OKLCH L 76.3% C 0.150 H 112.5°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#B4BB37
RGB	rgb(180, 187, 55)
HSL	hsl(63, 55%, 47%)
HSV	hsv(63, 71%, 73%)
CMYK	cmyk(3.7%, 0%, 70.6%, 26.7%)
CIE-LAB	lab(73.23, -18.61, 62.32)
CIE-LCH	lch(73.23, 65.04, 106.63°)
OKLab	oklab(76.29% -0.0573 0.1386)
OKLCH	oklch(76.29% 0.15 112.5)
XYZ	xyz(37.2835, 45.5206, 10.4360)
Luminance	0.4552 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4BB37 #3E37BB

analogous

#BB8037 #B4BB37 #72BB37

triadic

#B4BB37 #37B4BB #BB37B4

tetradic

#B4BB37 #37BB80 #3E37BB #BB3772

square

#B4BB37 #37BB80 #3E37BB #BB3772

split-complementary

#B4BB37 #3772BB #8037BB

monochromatic

#595C1B #868C29 #B4BB37 #CAD05F #DADE8E

Accessibility & contrast

On white

2.08

#B4BB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#B4BB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4BB37

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4BB37	#FFFFFF	#000000	##000000
##B4BB37	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B220

Deuteranopia (green-blind)

#C9B541

Tritanopia (blue-blind)

#C0B0A1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b4bb37;
/* rgb */ color: rgb(180, 187, 55);
/* oklch */ color: oklch(76.3% 0.150 112.5);

Tailwind

colors: {
  custom: {
    50: '#cecf77',
    500: '#b4bb37',
    950: '#000000',
  },
}

SCSS

$custom: #b4bb37;
$custom-light: #cecf77;
$custom-dark: #000000;

JSON

{
  "hex": "#b4bb37",
  "rgb": {
    "r": 180,
    "g": 187,
    "b": 55
  },
  "hsl": {
    "h": 63.182,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.76286,
    "c": 0.14995,
    "h": 112.5
  },
  "luminance": 0.4552
}

Semantic roles & 50–950 ramp

primary

#B4BB37

secondary

#8985C9

accent

#4ADE52

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141309

muted

#83827B

Preview Lab

Preview with #B4BB37

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

Preview Lab → · Contrast checker → · Palette generator →