#B4BC33#B4BC33

#B4BC33 is a light, vivid yellow. Relative luminance 0.459; OKLCH L 76.5% C 0.153 H 112.9°. Best body text is #000000 at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#B4BC33
RGB	rgb(180, 188, 51)
HSL	hsl(64, 57%, 47%)
HSV	hsv(64, 73%, 74%)
CMYK	cmyk(4.3%, 0%, 72.9%, 26.3%)
CIE-LAB	lab(73.49, -19.31, 63.98)
CIE-LCH	lch(73.49, 66.84, 106.79°)
OKLab	oklab(76.48% -0.0596 0.1414)
OKLCH	oklch(76.48% 0.153 112.9)
XYZ	xyz(37.4043, 45.9096, 10.0224)
Luminance	0.4591 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4BC33 #3B33BC

analogous

#BC8033 #B4BC33 #6FBC33

triadic

#B4BC33 #33B4BC #BC33B4

tetradic

#B4BC33 #33BC80 #3B33BC #BC336F

square

#B4BC33 #33BC80 #3B33BC #BC336F

split-complementary

#B4BC33 #336FBC #8033BC

monochromatic

#585C19 #868C26 #B4BC33 #CBD25A #DADF8A

Accessibility & contrast

On white

2.06

#B4BC33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.18

#B4BC33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4BC33

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4BC33	#FFFFFF	#000000	##000000
##B4BC33	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)

#CAB318

Deuteranopia (green-blind)

#CAB63E

Tritanopia (blue-blind)

#C0B1A2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b4bc33;
/* rgb */ color: rgb(180, 188, 51);
/* oklch */ color: oklch(76.5% 0.153 112.9);

Tailwind

colors: {
  custom: {
    50: '#ced075',
    500: '#b4bc33',
    950: '#000000',
  },
}

SCSS

$custom: #b4bc33;
$custom-light: #ced075;
$custom-dark: #000000;

JSON

{
  "hex": "#b4bc33",
  "rgb": {
    "r": 180,
    "g": 188,
    "b": 51
  },
  "hsl": {
    "h": 63.504,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.76481,
    "c": 0.15344,
    "h": 112.9
  },
  "luminance": 0.45909
}

Semantic roles & 50–950 ramp

primary

#B4BC33

secondary

#8681C9

accent

#47E150

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B4BC33

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

Preview Lab → · Contrast checker → · Palette generator →