#B4BC1C#B4BC1C

#B4BC1C is a light, vivid yellow. Relative luminance 0.458; OKLCH L 76.4% C 0.164 H 112.8°. Best body text is #000000 at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#B4BC1C
RGB	rgb(180, 188, 28)
HSL	hsl(63, 74%, 42%)
HSV	hsv(63, 85%, 74%)
CMYK	cmyk(4.3%, 0%, 85.1%, 26.3%)
CIE-LAB	lab(73.39, -20.15, 70.42)
CIE-LCH	lch(73.39, 73.24, 105.97°)
OKLab	oklab(76.37% -0.0636 0.1512)
OKLCH	oklch(76.37% 0.164 112.8)
XYZ	xyz(37.0165, 45.7545, 7.9799)
Luminance	0.4575 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4BC1C #241CBC

analogous

#BC741C #B4BC1C #64BC1C

triadic

#B4BC1C #1CB4BC #BC1CB4

tetradic

#B4BC1C #1CBC74 #241CBC #BC1C64

square

#B4BC1C #1CBC74 #241CBC #BC1C64

split-complementary

#B4BC1C #1C64BC #741CBC

monochromatic

#4E510C #818714 #B4BC1C #D8E134 #E2E96A

Accessibility & contrast

On white

2.07

#B4BC1C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.15

#B4BC1C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4BC1C

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4BC1C	#FFFFFF	#000000	##000000
##B4BC1C	1.00	2.07	10.15	10.15
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.15	21.00	1.00	1.00
##000000	10.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB300

Deuteranopia (green-blind)

#CBB62E

Tritanopia (blue-blind)

#C1B0A0

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b4bc1c;
/* rgb */ color: rgb(180, 188, 28);
/* oklch */ color: oklch(76.4% 0.164 112.8);

Tailwind

colors: {
  custom: {
    50: '#cfcf6b',
    500: '#b4bc1c',
    950: '#000000',
  },
}

SCSS

$custom: #b4bc1c;
$custom-light: #cfcf6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4bc1c",
  "rgb": {
    "r": 180,
    "g": 188,
    "b": 28
  },
  "hsl": {
    "h": 63,
    "s": 74.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.76368,
    "c": 0.164,
    "h": 112.8
  },
  "luminance": 0.45754
}

Semantic roles & 50–950 ramp

primary

#B4BC1C

secondary

#6B65CE

accent

#37F140

background

#FDFCF6

surface

#FAF9EC

border

#D3D2C7

text

#141308

muted

#83827A

Preview Lab

Preview with #B4BC1C

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

Preview Lab → · Contrast checker → · Palette generator →