#B4BF31#B4BF31

#B4BF31 is a light, vivid yellow. Relative luminance 0.472; OKLCH L 77.1% C 0.158 H 114.0°. Best body text is #000000 at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#B4BF31
RGB	rgb(180, 191, 49)
HSL	hsl(65, 59%, 47%)
HSV	hsv(65, 74%, 75%)
CMYK	cmyk(5.8%, 0%, 74.3%, 25.1%)
CIE-LAB	lab(74.31, -20.89, 65.44)
CIE-LCH	lch(74.31, 68.69, 107.71°)
OKLab	oklab(77.14% -0.0642 0.1441)
OKLCH	oklch(77.14% 0.158 114)
XYZ	xyz(38.0087, 47.1874, 10.0110)
Luminance	0.4719 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4BF31 #3C31BF

analogous

#BF8331 #B4BF31 #6DBF31

triadic

#B4BF31 #31B4BF #BF31B4

tetradic

#B4BF31 #31BF83 #3C31BF #BF316D

square

#B4BF31 #31BF83 #3C31BF #BF316D

split-complementary

#B4BF31 #316DBF #8331BF

monochromatic

#585E18 #868E25 #B4BF31 #CBD459 #DAE18A

Accessibility & contrast

On white

2.01

#B4BF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.44

#B4BF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4BF31

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4BF31	#FFFFFF	#000000	##000000
##B4BF31	1.00	2.01	10.44	10.44
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.44	21.00	1.00	1.00
##000000	10.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB611

Deuteranopia (green-blind)

#CDB83D

Tritanopia (blue-blind)

#C0B4A4

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b4bf31;
/* rgb */ color: rgb(180, 191, 49);
/* oklch */ color: oklch(77.1% 0.158 114.0);

Tailwind

colors: {
  custom: {
    50: '#ced274',
    500: '#b4bf31',
    950: '#000000',
  },
}

SCSS

$custom: #b4bf31;
$custom-light: #ced274;
$custom-dark: #000000;

JSON

{
  "hex": "#b4bf31",
  "rgb": {
    "r": 180,
    "g": 191,
    "b": 49
  },
  "hsl": {
    "h": 64.648,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.77137,
    "c": 0.15776,
    "h": 114
  },
  "luminance": 0.47187
}

Semantic roles & 50–950 ramp

primary

#B4BF31

secondary

#8781CB

accent

#45E252

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141409

muted

#83827B

Preview Lab

Preview with #B4BF31

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

Preview Lab → · Contrast checker → · Palette generator →