#B1BB3A#B1BB3A

#B1BB3A is a light, vivid yellow. Relative luminance 0.452; OKLCH L 76.1% C 0.149 H 113.8°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#B1BB3A
RGB	rgb(177, 187, 58)
HSL	hsl(65, 53%, 48%)
HSV	hsv(65, 69%, 73%)
CMYK	cmyk(5.3%, 0%, 69%, 26.7%)
CIE-LAB	lab(73.02, -19.72, 60.92)
CIE-LCH	lch(73.02, 64.03, 107.94°)
OKLab	oklab(76.06% -0.0599 0.1362)
OKLCH	oklch(76.06% 0.149 113.8)
XYZ	xyz(36.6665, 45.1940, 10.7939)
Luminance	0.4519 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BB3A #443ABB

analogous

#BB843A #B1BB3A #70BB3A

triadic

#B1BB3A #3AB1BB #BB3AB1

tetradic

#B1BB3A #3ABB84 #443ABB #BB3A70

square

#B1BB3A #3ABB84 #443ABB #BB3A70

split-complementary

#B1BB3A #3A70BB #843ABB

monochromatic

#595E1D #858C2C #B1BB3A #C6CF63 #D7DD92

Accessibility & contrast

On white

2.09

#B1BB3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#B1BB3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BB3A

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BB3A	#FFFFFF	#000000	##000000
##B1BB3A	1.00	2.09	10.04	10.04
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.04	21.00	1.00	1.00
##000000	10.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B225

Deuteranopia (green-blind)

#C8B544

Tritanopia (blue-blind)

#BDB0A1

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #b1bb3a;
/* rgb */ color: rgb(177, 187, 58);
/* oklch */ color: oklch(76.1% 0.149 113.8);

Tailwind

colors: {
  custom: {
    50: '#cbcf78',
    500: '#b1bb3a',
    950: '#000000',
  },
}

SCSS

$custom: #b1bb3a;
$custom-light: #cbcf78;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bb3a",
  "rgb": {
    "r": 177,
    "g": 187,
    "b": 58
  },
  "hsl": {
    "h": 64.651,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.76063,
    "c": 0.1488,
    "h": 113.8
  },
  "luminance": 0.45193
}

Semantic roles & 50–950 ramp

primary

#B1BB3A

secondary

#8D88C8

accent

#4CDC57

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#141309

muted

#82827B

Preview Lab

Preview with #B1BB3A

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

Preview Lab → · Contrast checker → · Palette generator →