#B1BF34#B1BF34

#B1BF34 is a light, vivid yellow. Relative luminance 0.469; OKLCH L 76.9% C 0.157 H 115.2°. Best body text is #000000 at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#B1BF34
RGB	rgb(177, 191, 52)
HSL	hsl(66, 57%, 48%)
HSV	hsv(66, 73%, 75%)
CMYK	cmyk(7.3%, 0%, 72.8%, 25.1%)
CIE-LAB	lab(74.10, -22.02, 64.14)
CIE-LCH	lch(74.10, 67.82, 108.94°)
OKLab	oklab(76.92% -0.0669 0.142)
OKLCH	oklch(76.92% 0.157 115.2)
XYZ	xyz(37.3831, 46.8573, 10.3232)
Luminance	0.4686 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BF34 #4234BF

analogous

#BF8734 #B1BF34 #6CBF34

triadic

#B1BF34 #34B1BF #BF34B1

tetradic

#B1BF34 #34BF87 #4234BF #BF346C

square

#B1BF34 #34BF87 #4234BF #BF346C

split-complementary

#B1BF34 #346CBF #8734BF

monochromatic

#585F1A #848F27 #B1BF34 #C7D35D #D8E08D

Accessibility & contrast

On white

2.02

#B1BF34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.37

#B1BF34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BF34

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BF34	#FFFFFF	#000000	##000000
##B1BF34	1.00	2.02	10.37	10.37
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.37	21.00	1.00	1.00
##000000	10.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB518

Deuteranopia (green-blind)

#CCB73F

Tritanopia (blue-blind)

#BCB4A4

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #b1bf34;
/* rgb */ color: rgb(177, 191, 52);
/* oklch */ color: oklch(76.9% 0.157 115.2);

Tailwind

colors: {
  custom: {
    50: '#ccd275',
    500: '#b1bf34',
    950: '#000000',
  },
}

SCSS

$custom: #b1bf34;
$custom-light: #ccd275;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bf34",
  "rgb": {
    "r": 177,
    "g": 191,
    "b": 52
  },
  "hsl": {
    "h": 66.043,
    "s": 57.202,
    "l": 47.647
  },
  "oklch": {
    "l": 0.76916,
    "c": 0.15695,
    "h": 115.2
  },
  "luminance": 0.46857
}

Semantic roles & 50–950 ramp

primary

#B1BF34

secondary

#8B84CA

accent

#47E057

background

#FCFCF7

surface

#F9F9ED

border

#D2D2C8

text

#141409

muted

#82827B

Preview Lab

Preview with #B1BF34

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

Preview Lab → · Contrast checker → · Palette generator →