#B3BF37#B3BF37

#B3BF37 is a light, vivid yellow. Relative luminance 0.471; OKLCH L 77.1% C 0.155 H 114.5°. Best body text is #000000 at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#B3BF37
RGB	rgb(179, 191, 55)
HSL	hsl(65, 55%, 48%)
HSV	hsv(65, 71%, 75%)
CMYK	cmyk(6.3%, 0%, 71.2%, 25.1%)
CIE-LAB	lab(74.27, -21.03, 63.31)
CIE-LCH	lch(74.27, 66.71, 108.37°)
OKLab	oklab(77.1% -0.064 0.1407)
OKLCH	oklch(77.1% 0.155 114.5)
XYZ	xyz(37.9119, 47.1218, 10.7120)
Luminance	0.4712 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3BF37 #4337BF

analogous

#BF8737 #B3BF37 #6FBF37

triadic

#B3BF37 #37B3BF #BF37B3

tetradic

#B3BF37 #37BF87 #4337BF #BF376F

square

#B3BF37 #37BF87 #4337BF #BF376F

split-complementary

#B3BF37 #376FBF #8737BF

monochromatic

#5A601C #868F29 #B3BF37 #C8D262 #D8DF91

Accessibility & contrast

On white

2.01

#B3BF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.42

#B3BF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3BF37

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3BF37	#FFFFFF	#000000	##000000
##B3BF37	1.00	2.01	10.42	10.42
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.42	21.00	1.00	1.00
##000000	10.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB61F

Deuteranopia (green-blind)

#CCB842

Tritanopia (blue-blind)

#BFB4A5

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b3bf37;
/* rgb */ color: rgb(179, 191, 55);
/* oklch */ color: oklch(77.1% 0.155 114.5);

Tailwind

colors: {
  custom: {
    50: '#cdd277',
    500: '#b3bf37',
    950: '#000000',
  },
}

SCSS

$custom: #b3bf37;
$custom-light: #cdd277;
$custom-dark: #000000;

JSON

{
  "hex": "#b3bf37",
  "rgb": {
    "r": 179,
    "g": 191,
    "b": 55
  },
  "hsl": {
    "h": 65.294,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.77095,
    "c": 0.15453,
    "h": 114.5
  },
  "luminance": 0.47121
}

Semantic roles & 50–950 ramp

primary

#B3BF37

secondary

#8D88CA

accent

#49DF56

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141409

muted

#83827B

Preview Lab

Preview with #B3BF37

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

Preview Lab → · Contrast checker → · Palette generator →