#B1BF3A#B1BF3A

#B1BF3A is a light, vivid yellow. Relative luminance 0.469; OKLCH L 77.0% C 0.153 H 115.3°. Best body text is #000000 at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#B1BF3A
RGB	rgb(177, 191, 58)
HSL	hsl(66, 53%, 49%)
HSV	hsv(66, 70%, 75%)
CMYK	cmyk(7.3%, 0%, 69.6%, 25.1%)
CIE-LAB	lab(74.14, -21.71, 62.03)
CIE-LCH	lch(74.14, 65.72, 109.29°)
OKLab	oklab(76.96% -0.0655 0.1385)
OKLCH	oklch(76.96% 0.153 115.3)
XYZ	xyz(37.5270, 46.9148, 11.0807)
Luminance	0.4691 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BF3A #483ABF

analogous

#BF8B3A #B1BF3A #6FBF3A

triadic

#B1BF3A #3AB1BF #BF3AB1

tetradic

#B1BF3A #3ABF8B #483ABF #BF3A6F

square

#B1BF3A #3ABF8B #483ABF #BF3A6F

split-complementary

#B1BF3A #3A6FBF #8B3ABF

monochromatic

#5A611D #85902C #B1BF3A #C5D066 #D7DF95

Accessibility & contrast

On white

2.02

#B1BF3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.38

#B1BF3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BF3A

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BF3A	#FFFFFF	#000000	##000000
##B1BF3A	1.00	2.02	10.38	10.38
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.38	21.00	1.00	1.00
##000000	10.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB524

Deuteranopia (green-blind)

#CBB744

Tritanopia (blue-blind)

#BCB4A5

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #b1bf3a;
/* rgb */ color: rgb(177, 191, 58);
/* oklch */ color: oklch(77.0% 0.153 115.3);

Tailwind

colors: {
  custom: {
    50: '#ccd278',
    500: '#b1bf3a',
    950: '#000000',
  },
}

SCSS

$custom: #b1bf3a;
$custom-light: #ccd278;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bf3a",
  "rgb": {
    "r": 177,
    "g": 191,
    "b": 58
  },
  "hsl": {
    "h": 66.316,
    "s": 53.414,
    "l": 48.824
  },
  "oklch": {
    "l": 0.76958,
    "c": 0.15323,
    "h": 115.3
  },
  "luminance": 0.46914
}

Semantic roles & 50–950 ramp

primary

#B1BF3A

secondary

#918BCA

accent

#4BDD5A

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#141409

muted

#82827B

Preview Lab

Preview with #B1BF3A

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

Preview Lab → · Contrast checker → · Palette generator →