#B1BF59#B1BF59

#B1BF59 is a light, vivid yellow. Relative luminance 0.473; OKLCH L 77.3% C 0.128 H 116.0°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#B1BF59
RGB	rgb(177, 191, 89)
HSL	hsl(68, 44%, 55%)
HSV	hsv(68, 53%, 75%)
CMYK	cmyk(7.3%, 0%, 53.4%, 25.1%)
CIE-LAB	lab(74.40, -19.50, 49.12)
CIE-LCH	lch(74.40, 52.85, 111.65°)
OKLab	oklab(77.26% -0.0561 0.1153)
OKLCH	oklch(77.26% 0.128 116)
XYZ	xyz(38.5660, 47.3304, 16.5533)
Luminance	0.4733 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BF59 #6759BF

analogous

#BF9A59 #B1BF59 #7EBF59

triadic

#B1BF59 #59B1BF #BF59B1

tetradic

#B1BF59 #59BF9A #6759BF #BF597E

square

#B1BF59 #59BF9A #6759BF #BF597E

split-complementary

#B1BF59 #597EBF #9A59BF

monochromatic

#68722C #919E3D #B1BF59 #C6D085 #DBE1B1

Accessibility & contrast

On white

2.01

#B1BF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.47

#B1BF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BF59

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BF59	#FFFFFF	#000000	##000000
##B1BF59	1.00	2.01	10.47	10.47
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.47	21.00	1.00	1.00
##000000	10.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB64F

Deuteranopia (green-blind)

#C9B85F

Tritanopia (blue-blind)

#BBB6A8

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b1bf59;
/* rgb */ color: rgb(177, 191, 89);
/* oklch */ color: oklch(77.3% 0.128 116.0);

Tailwind

colors: {
  custom: {
    50: '#cad28b',
    500: '#b1bf59',
    950: '#000000',
  },
}

SCSS

$custom: #b1bf59;
$custom-light: #cad28b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bf59",
  "rgb": {
    "r": 177,
    "g": 191,
    "b": 89
  },
  "hsl": {
    "h": 68.235,
    "s": 44.348,
    "l": 54.902
  },
  "oklch": {
    "l": 0.77256,
    "c": 0.12821,
    "h": 116
  },
  "luminance": 0.4733
}

Semantic roles & 50–950 ramp

primary

#B1BF59

secondary

#AAA4CF

accent

#54D465

background

#FCFCF8

surface

#F9F9F0

border

#D2D2CB

text

#13140C

muted

#82827D

Preview Lab

Preview with #B1BF59

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

Preview Lab → · Contrast checker → · Palette generator →