#B3BF31#B3BF31

#B3BF31 is a light, vivid yellow. Relative luminance 0.471; OKLCH L 77.1% C 0.158 H 114.4°. Best body text is #000000 at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#B3BF31
RGB	rgb(179, 191, 49)
HSL	hsl(65, 59%, 47%)
HSV	hsv(65, 74%, 75%)
CMYK	cmyk(6.3%, 0%, 74.3%, 25.1%)
CIE-LAB	lab(74.23, -21.32, 65.34)
CIE-LCH	lch(74.23, 68.73, 108.07°)
OKLab	oklab(77.06% -0.0653 0.1439)
OKLCH	oklch(77.06% 0.158 114.4)
XYZ	xyz(37.7767, 47.0678, 10.0001)
Luminance	0.4707 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3BF31 #3D31BF

analogous

#BF8431 #B3BF31 #6CBF31

triadic

#B3BF31 #31B3BF #BF31B3

tetradic

#B3BF31 #31BF84 #3D31BF #BF316C

square

#B3BF31 #31BF84 #3D31BF #BF316C

split-complementary

#B3BF31 #316CBF #8431BF

monochromatic

#585E18 #858E25 #B3BF31 #CAD459 #D9E18A

Accessibility & contrast

On white

2.02

#B3BF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.41

#B3BF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3BF31

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3BF31	#FFFFFF	#000000	##000000
##B3BF31	1.00	2.02	10.41	10.41
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.41	21.00	1.00	1.00
##000000	10.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB511

Deuteranopia (green-blind)

#CCB83D

Tritanopia (blue-blind)

#BFB4A4

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b3bf31;
/* rgb */ color: rgb(179, 191, 49);
/* oklch */ color: oklch(77.1% 0.158 114.4);

Tailwind

colors: {
  custom: {
    50: '#cdd274',
    500: '#b3bf31',
    950: '#000000',
  },
}

SCSS

$custom: #b3bf31;
$custom-light: #cdd274;
$custom-dark: #000000;

JSON

{
  "hex": "#b3bf31",
  "rgb": {
    "r": 179,
    "g": 191,
    "b": 49
  },
  "hsl": {
    "h": 65.07,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.77057,
    "c": 0.15805,
    "h": 114.4
  },
  "luminance": 0.47067
}

Semantic roles & 50–950 ramp

primary

#B3BF31

secondary

#8781CB

accent

#45E253

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141409

muted

#83827B

Preview Lab

Preview with #B3BF31

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

Preview Lab → · Contrast checker → · Palette generator →