#B1BB25#B1BB25

#B1BB25 is a light, vivid yellow. Relative luminance 0.450; OKLCH L 75.9% C 0.160 H 113.6°. Best body text is #000000 at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#B1BB25
RGB	rgb(177, 187, 37)
HSL	hsl(64, 67%, 44%)
HSV	hsv(64, 80%, 73%)
CMYK	cmyk(5.3%, 0%, 80.2%, 26.7%)
CIE-LAB	lab(72.91, -20.66, 67.71)
CIE-LCH	lch(72.91, 70.79, 106.97°)
OKLab	oklab(75.94% -0.0643 0.1469)
OKLCH	oklch(75.94% 0.16 113.6)
XYZ	xyz(36.2369, 45.0221, 8.5312)
Luminance	0.4502 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BB25 #2F25BB

analogous

#BB7A25 #B1BB25 #66BB25

triadic

#B1BB25 #25B1BB #BB25B1

tetradic

#B1BB25 #25BB7A #2F25BB #BB2566

square

#B1BB25 #25BB7A #2F25BB #BB2566

split-complementary

#B1BB25 #2566BB #7A25BB

monochromatic

#505511 #81881B #B1BB25 #D0DA43 #DDE476

Accessibility & contrast

On white

2.10

#B1BB25 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.00

#B1BB25 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BB25

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BB25	#FFFFFF	#000000	##000000
##B1BB25	1.00	2.10	10.00	10.00
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.00	21.00	1.00	1.00
##000000	10.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B200

Deuteranopia (green-blind)

#C9B434

Tritanopia (blue-blind)

#BDAFA0

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #b1bb25;
/* rgb */ color: rgb(177, 187, 37);
/* oklch */ color: oklch(75.9% 0.160 113.6);

Tailwind

colors: {
  custom: {
    50: '#cccf6e',
    500: '#b1bb25',
    950: '#000000',
  },
}

SCSS

$custom: #b1bb25;
$custom-light: #cccf6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bb25",
  "rgb": {
    "r": 177,
    "g": 187,
    "b": 37
  },
  "hsl": {
    "h": 64,
    "s": 66.964,
    "l": 43.922
  },
  "oklch": {
    "l": 0.75937,
    "c": 0.1604,
    "h": 113.6
  },
  "luminance": 0.45021
}

Semantic roles & 50–950 ramp

primary

#B1BB25

secondary

#7670CB

accent

#3EEA49

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1BB25

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

Preview Lab → · Contrast checker → · Palette generator →