#B1BB30#B1BB30

#B1BB30 is a light, vivid yellow. Relative luminance 0.451; OKLCH L 76.0% C 0.155 H 113.7°. Best body text is #000000 at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#B1BB30
RGB	rgb(177, 187, 48)
HSL	hsl(64, 59%, 46%)
HSV	hsv(64, 74%, 73%)
CMYK	cmyk(5.3%, 0%, 74.3%, 26.7%)
CIE-LAB	lab(72.96, -20.22, 64.42)
CIE-LCH	lch(72.96, 67.52, 107.43°)
OKLab	oklab(76% -0.0622 0.1419)
OKLCH	oklch(76% 0.155 113.7)
XYZ	xyz(36.4364, 45.1019, 9.5819)
Luminance	0.4510 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BB30 #3A30BB

analogous

#BB7F30 #B1BB30 #6BBB30

triadic

#B1BB30 #30B1BB #BB30B1

tetradic

#B1BB30 #30BB7F #3A30BB #BB306B

square

#B1BB30 #30BB7F #3A30BB #BB306B

split-complementary

#B1BB30 #306BBB #7F30BB

monochromatic

#555A17 #838A23 #B1BB30 #CAD355 #D9E086

Accessibility & contrast

On white

2.10

#B1BB30 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.02

#B1BB30 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BB30

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BB30	#FFFFFF	#000000	##000000
##B1BB30	1.00	2.10	10.02	10.02
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.02	21.00	1.00	1.00
##000000	10.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B211

Deuteranopia (green-blind)

#C9B43C

Tritanopia (blue-blind)

#BDB0A1

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #b1bb30;
/* rgb */ color: rgb(177, 187, 48);
/* oklch */ color: oklch(76.0% 0.155 113.7);

Tailwind

colors: {
  custom: {
    50: '#cccf73',
    500: '#b1bb30',
    950: '#000000',
  },
}

SCSS

$custom: #b1bb30;
$custom-light: #cccf73;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bb30",
  "rgb": {
    "r": 177,
    "g": 187,
    "b": 48
  },
  "hsl": {
    "h": 64.317,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.75995,
    "c": 0.15493,
    "h": 113.7
  },
  "luminance": 0.45101
}

Semantic roles & 50–950 ramp

primary

#B1BB30

secondary

#837DC9

accent

#45E251

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B1BB30

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

Preview Lab → · Contrast checker → · Palette generator →