#B1BB38#B1BB38

#B1BB38 is a light, vivid yellow. Relative luminance 0.452; OKLCH L 76.0% C 0.150 H 113.7°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#B1BB38
RGB	rgb(177, 187, 56)
HSL	hsl(65, 54%, 48%)
HSV	hsv(65, 70%, 73%)
CMYK	cmyk(5.3%, 0%, 70.1%, 26.7%)
CIE-LAB	lab(73.01, -19.83, 61.65)
CIE-LCH	lch(73.01, 64.76, 107.83°)
OKLab	oklab(76.05% -0.0604 0.1374)
OKLCH	oklch(76.05% 0.15 113.7)
XYZ	xyz(36.6166, 45.1740, 10.5312)
Luminance	0.4517 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BB38 #4238BB

analogous

#BB8338 #B1BB38 #70BB38

triadic

#B1BB38 #38B1BB #BB38B1

tetradic

#B1BB38 #38BB83 #4238BB #BB3870

square

#B1BB38 #38BB83 #4238BB #BB3870

split-complementary

#B1BB38 #3870BB #8338BB

monochromatic

#585D1C #848C2A #B1BB38 #C7D061 #D8DE90

Accessibility & contrast

On white

2.09

#B1BB38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#B1BB38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BB38

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BB38	#FFFFFF	#000000	##000000
##B1BB38	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B222

Deuteranopia (green-blind)

#C8B442

Tritanopia (blue-blind)

#BDB0A1

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #b1bb38;
/* rgb */ color: rgb(177, 187, 56);
/* oklch */ color: oklch(76.0% 0.150 113.7);

Tailwind

colors: {
  custom: {
    50: '#cccf77',
    500: '#b1bb38',
    950: '#000000',
  },
}

SCSS

$custom: #b1bb38;
$custom-light: #cccf77;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bb38",
  "rgb": {
    "r": 177,
    "g": 187,
    "b": 56
  },
  "hsl": {
    "h": 64.58,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.76049,
    "c": 0.15012,
    "h": 113.7
  },
  "luminance": 0.45173
}

Semantic roles & 50–950 ramp

primary

#B1BB38

secondary

#8B86C8

accent

#4BDD56

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#141309

muted

#82827B

Preview Lab

Preview with #B1BB38

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

Preview Lab → · Contrast checker → · Palette generator →