#B1BF43#B1BF43

#B1BF43 is a light, vivid yellow. Relative luminance 0.470; OKLCH L 77.0% C 0.147 H 115.4°. Best body text is #000000 at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#B1BF43
RGB	rgb(177, 191, 67)
HSL	hsl(67, 49%, 51%)
HSV	hsv(67, 65%, 75%)
CMYK	cmyk(7.3%, 0%, 64.9%, 25.1%)
CIE-LAB	lab(74.20, -21.17, 58.59)
CIE-LCH	lch(74.20, 62.30, 109.87°)
OKLab	oklab(77.03% -0.0631 0.1327)
OKLCH	oklch(77.03% 0.147 115.4)
XYZ	xyz(37.7763, 47.0145, 12.3938)
Luminance	0.4701 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BF43 #5143BF

analogous

#BF8F43 #B1BF43 #73BF43

triadic

#B1BF43 #43B1BF #BF43B1

tetradic

#B1BF43 #43BF8F #5143BF #BF4373

square

#B1BF43 #43BF8F #5143BF #BF4373

split-complementary

#B1BF43 #4373BF #8F43BF

monochromatic

#5E6522 #889332 #B1BF43 #C4CF71 #D7DE9E

Accessibility & contrast

On white

2.02

#B1BF43 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.40

#B1BF43 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BF43

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BF43	#FFFFFF	#000000	##000000
##B1BF43	1.00	2.02	10.40	10.40
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.40	21.00	1.00	1.00
##000000	10.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB632

Deuteranopia (green-blind)

#CBB74C

Tritanopia (blue-blind)

#BCB4A6

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #b1bf43;
/* rgb */ color: rgb(177, 191, 67);
/* oklch */ color: oklch(77.0% 0.147 115.4);

Tailwind

colors: {
  custom: {
    50: '#cbd27d',
    500: '#b1bf43',
    950: '#000000',
  },
}

SCSS

$custom: #b1bf43;
$custom-light: #cbd27d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bf43",
  "rgb": {
    "r": 177,
    "g": 191,
    "b": 67
  },
  "hsl": {
    "h": 66.774,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.77029,
    "c": 0.14693,
    "h": 115.4
  },
  "luminance": 0.47014
}

Semantic roles & 50–950 ramp

primary

#B1BF43

secondary

#9A93CA

accent

#4FD95F

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#14140A

muted

#82827C

Preview Lab

Preview with #B1BF43

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

Preview Lab → · Contrast checker → · Palette generator →