#B4BC39#B4BC39

#B4BC39 is a light, vivid yellow. Relative luminance 0.460; OKLCH L 76.5% C 0.150 H 112.9°. Best body text is #000000 at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#B4BC39
RGB	rgb(180, 188, 57)
HSL	hsl(64, 53%, 48%)
HSV	hsv(64, 70%, 74%)
CMYK	cmyk(4.3%, 0%, 69.7%, 26.3%)
CIE-LAB	lab(73.52, -19.01, 61.87)
CIE-LCH	lch(73.52, 64.73, 107.08°)
OKLab	oklab(76.52% -0.0582 0.138)
OKLCH	oklch(76.52% 0.15 112.9)
XYZ	xyz(37.5452, 45.9660, 10.7646)
Luminance	0.4597 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4BC39 #4139BC

analogous

#BC8239 #B4BC39 #72BC39

triadic

#B4BC39 #39B4BC #BC39B4

tetradic

#B4BC39 #39BC82 #4139BC #BC3972

square

#B4BC39 #39BC82 #4139BC #BC3972

split-complementary

#B4BC39 #3972BC #8239BC

monochromatic

#5A5E1D #878D2B #B4BC39 #C9D063 #D9DE92

Accessibility & contrast

On white

2.06

#B4BC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.19

#B4BC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4BC39

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4BC39	#FFFFFF	#000000	##000000
##B4BC39	1.00	2.06	10.19	10.19
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.19	21.00	1.00	1.00
##000000	10.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB323

Deuteranopia (green-blind)

#CAB643

Tritanopia (blue-blind)

#C0B1A2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #b4bc39;
/* rgb */ color: rgb(180, 188, 57);
/* oklch */ color: oklch(76.5% 0.150 112.9);

Tailwind

colors: {
  custom: {
    50: '#ced078',
    500: '#b4bc39',
    950: '#000000',
  },
}

SCSS

$custom: #b4bc39;
$custom-light: #ced078;
$custom-dark: #000000;

JSON

{
  "hex": "#b4bc39",
  "rgb": {
    "r": 180,
    "g": 188,
    "b": 57
  },
  "hsl": {
    "h": 63.664,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.76522,
    "c": 0.14974,
    "h": 112.9
  },
  "luminance": 0.45965
}

Semantic roles & 50–950 ramp

primary

#B4BC39

secondary

#8C88C9

accent

#4BDD54

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141309

muted

#83827B

Preview Lab

Preview with #B4BC39

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

Preview Lab → · Contrast checker → · Palette generator →