#B4BB40#B4BB40

#B4BB40 is a light, vivid yellow. Relative luminance 0.456; OKLCH L 76.4% C 0.144 H 112.5°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#B4BB40
RGB	rgb(180, 187, 64)
HSL	hsl(63, 49%, 49%)
HSV	hsv(63, 66%, 73%)
CMYK	cmyk(3.7%, 0%, 65.8%, 26.7%)
CIE-LAB	lab(73.29, -18.11, 58.93)
CIE-LCH	lch(73.29, 61.65, 107.08°)
OKLab	oklab(76.35% -0.055 0.1329)
OKLCH	oklch(76.35% 0.144 112.5)
XYZ	xyz(37.5192, 45.6149, 11.6776)
Luminance	0.4561 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4BB40 #4740BB

analogous

#BB8540 #B4BB40 #77BB40

triadic

#B4BB40 #40B4BB #BB40B4

tetradic

#B4BB40 #40BB85 #4740BB #BB4077

square

#B4BB40 #40BB85 #4740BB #BB4077

split-complementary

#B4BB40 #4077BB #8540BB

monochromatic

#5C6021 #888D30 #B4BB40 #C7CD6C #D8DC99

Accessibility & contrast

On white

2.07

#B4BB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#B4BB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4BB40

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4BB40	#FFFFFF	#000000	##000000
##B4BB40	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)

#C9B32F

Deuteranopia (green-blind)

#C9B548

Tritanopia (blue-blind)

#C0B0A2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b4bb40;
/* rgb */ color: rgb(180, 187, 64);
/* oklch */ color: oklch(76.4% 0.144 112.5);

Tailwind

colors: {
  custom: {
    50: '#cdcf7b',
    500: '#b4bb40',
    950: '#000000',
  },
}

SCSS

$custom: #b4bb40;
$custom-light: #cdcf7b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4bb40",
  "rgb": {
    "r": 180,
    "g": 187,
    "b": 64
  },
  "hsl": {
    "h": 63.415,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.76355,
    "c": 0.14383,
    "h": 112.5
  },
  "luminance": 0.45614
}

Semantic roles & 50–950 ramp

primary

#B4BB40

secondary

#928FC8

accent

#4FD957

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#14130A

muted

#83827C

Preview Lab

Preview with #B4BB40

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

Preview Lab → · Contrast checker → · Palette generator →