#B1BF3D#B1BF3D

#B1BF3D is a light, vivid yellow. Relative luminance 0.469; OKLCH L 77.0% C 0.151 H 115.3°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#B1BF3D
RGB	rgb(177, 191, 61)
HSL	hsl(66, 52%, 49%)
HSV	hsv(66, 68%, 75%)
CMYK	cmyk(7.3%, 0%, 68.1%, 25.1%)
CIE-LAB	lab(74.16, -21.54, 60.92)
CIE-LCH	lch(74.16, 64.61, 109.47°)
OKLab	oklab(76.98% -0.0647 0.1367)
OKLCH	oklch(76.98% 0.151 115.3)
XYZ	xyz(37.6055, 46.9462, 11.4945)
Luminance	0.4695 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BF3D #4B3DBF

analogous

#BF8C3D #B1BF3D #70BF3D

triadic

#B1BF3D #3DB1BF #BF3DB1

tetradic

#B1BF3D #3DBF8C #4B3DBF #BF3D70

square

#B1BF3D #3DBF8C #4B3DBF #BF3D70

split-complementary

#B1BF3D #3D70BF #8C3DBF

monochromatic

#5B621F #86912E #B1BF3D #C4CF6A #D7DE98

Accessibility & contrast

On white

2.02

#B1BF3D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.39

#B1BF3D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BF3D

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BF3D	#FFFFFF	#000000	##000000
##B1BF3D	1.00	2.02	10.39	10.39
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.39	21.00	1.00	1.00
##000000	10.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB529

Deuteranopia (green-blind)

#CBB747

Tritanopia (blue-blind)

#BCB4A5

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #b1bf3d;
/* rgb */ color: rgb(177, 191, 61);
/* oklch */ color: oklch(77.0% 0.151 115.3);

Tailwind

colors: {
  custom: {
    50: '#cbd27a',
    500: '#b1bf3d',
    950: '#000000',
  },
}

SCSS

$custom: #b1bf3d;
$custom-light: #cbd27a;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bf3d",
  "rgb": {
    "r": 177,
    "g": 191,
    "b": 61
  },
  "hsl": {
    "h": 66.462,
    "s": 51.587,
    "l": 49.412
  },
  "oklch": {
    "l": 0.7698,
    "c": 0.15122,
    "h": 115.3
  },
  "luminance": 0.46946
}

Semantic roles & 50–950 ramp

primary

#B1BF3D

secondary

#948ECA

accent

#4DDB5C

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#14140A

muted

#82827C

Preview Lab

Preview with #B1BF3D

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

Preview Lab → · Contrast checker → · Palette generator →