#B1BB41#B1BB41

#B1BB41 is a light, vivid yellow. Relative luminance 0.453; OKLCH L 76.1% C 0.144 H 113.8°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#B1BB41
RGB	rgb(177, 187, 65)
HSL	hsl(65, 48%, 49%)
HSV	hsv(65, 65%, 73%)
CMYK	cmyk(5.3%, 0%, 65.2%, 26.7%)
CIE-LAB	lab(73.07, -19.31, 58.22)
CIE-LCH	lch(73.07, 61.34, 108.35°)
OKLab	oklab(76.12% -0.0581 0.1316)
OKLCH	oklch(76.12% 0.144 113.8)
XYZ	xyz(36.8569, 45.2701, 11.7964)
Luminance	0.4527 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BB41 #4B41BB

analogous

#BB8841 #B1BB41 #74BB41

triadic

#B1BB41 #41B1BB #BB41B1

tetradic

#B1BB41 #41BB88 #4B41BB #BB4174

square

#B1BB41 #41BB88 #4B41BB #BB4174

split-complementary

#B1BB41 #4174BB #8841BB

monochromatic

#5B6021 #868E31 #B1BB41 #C4CC6D #D7DC9A

Accessibility & contrast

On white

2.09

#B1BB41 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#B1BB41 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BB41

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BB41	#FFFFFF	#000000	##000000
##B1BB41	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B230

Deuteranopia (green-blind)

#C8B549

Tritanopia (blue-blind)

#BCB0A2

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #b1bb41;
/* rgb */ color: rgb(177, 187, 65);
/* oklch */ color: oklch(76.1% 0.144 113.8);

Tailwind

colors: {
  custom: {
    50: '#cbcf7c',
    500: '#b1bb41',
    950: '#000000',
  },
}

SCSS

$custom: #b1bb41;
$custom-light: #cbcf7c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bb41",
  "rgb": {
    "r": 177,
    "g": 187,
    "b": 65
  },
  "hsl": {
    "h": 64.918,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.76119,
    "c": 0.14388,
    "h": 113.8
  },
  "luminance": 0.45269
}

Semantic roles & 50–950 ramp

primary

#B1BB41

secondary

#9490C8

accent

#50D85B

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#14130A

muted

#82827C

Preview Lab

Preview with #B1BB41

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

Preview Lab → · Contrast checker → · Palette generator →