#B4BC31#B4BC31

#B4BC31 is a light, vivid yellow. Relative luminance 0.459; OKLCH L 76.5% C 0.155 H 112.9°. Best body text is #000000 at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#B4BC31
RGB	rgb(180, 188, 49)
HSL	hsl(63, 59%, 46%)
HSV	hsv(63, 74%, 74%)
CMYK	cmyk(4.3%, 0%, 73.9%, 26.3%)
CIE-LAB	lab(73.48, -19.40, 64.65)
CIE-LCH	lch(73.48, 67.50, 106.71°)
OKLab	oklab(76.47% -0.06 0.1425)
OKLCH	oklch(76.47% 0.155 112.9)
XYZ	xyz(37.3612, 45.8923, 9.7951)
Luminance	0.4589 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4BC31 #3931BC

analogous

#BC7F31 #B4BC31 #6FBC31

triadic

#B4BC31 #31B4BC #BC31B4

tetradic

#B4BC31 #31BC7F #3931BC #BC316F

square

#B4BC31 #31BC7F #3931BC #BC316F

split-complementary

#B4BC31 #316FBC #7F31BC

monochromatic

#575B18 #868B24 #B4BC31 #CCD357 #DBE088

Accessibility & contrast

On white

2.06

#B4BC31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.18

#B4BC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4BC31

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4BC31	#FFFFFF	#000000	##000000
##B4BC31	1.00	2.06	10.18	10.18
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.18	21.00	1.00	1.00
##000000	10.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB313

Deuteranopia (green-blind)

#CAB63D

Tritanopia (blue-blind)

#C0B0A2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b4bc31;
/* rgb */ color: rgb(180, 188, 49);
/* oklch */ color: oklch(76.5% 0.155 112.9);

Tailwind

colors: {
  custom: {
    50: '#ced074',
    500: '#b4bc31',
    950: '#000000',
  },
}

SCSS

$custom: #b4bc31;
$custom-light: #ced074;
$custom-dark: #000000;

JSON

{
  "hex": "#b4bc31",
  "rgb": {
    "r": 180,
    "g": 188,
    "b": 49
  },
  "hsl": {
    "h": 63.453,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.76469,
    "c": 0.15459,
    "h": 112.9
  },
  "luminance": 0.45891
}

Semantic roles & 50–950 ramp

primary

#B4BC31

secondary

#837FCA

accent

#46E24F

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B4BC31

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

Preview Lab → · Contrast checker → · Palette generator →