#B4BB39#B4BB39

#B4BB39 is a light, vivid yellow. Relative luminance 0.455; OKLCH L 76.3% C 0.149 H 112.5°. Best body text is #000000 at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#B4BB39
RGB	rgb(180, 187, 57)
HSL	hsl(63, 53%, 48%)
HSV	hsv(63, 70%, 73%)
CMYK	cmyk(3.7%, 0%, 69.5%, 26.7%)
CIE-LAB	lab(73.25, -18.51, 61.60)
CIE-LCH	lch(73.25, 64.32, 106.72°)
OKLab	oklab(76.3% -0.0568 0.1374)
OKLCH	oklch(76.3% 0.149 112.5)
XYZ	xyz(37.3324, 45.5402, 10.6937)
Luminance	0.4554 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4BB39 #4039BB

analogous

#BB8139 #B4BB39 #73BB39

triadic

#B4BB39 #39B4BB #BB39B4

tetradic

#B4BB39 #39BB81 #4039BB #BB3973

square

#B4BB39 #39BB81 #4039BB #BB3973

split-complementary

#B4BB39 #3973BB #8139BB

monochromatic

#5A5D1C #878C2B #B4BB39 #C9CF62 #D9DD91

Accessibility & contrast

On white

2.08

#B4BB39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.11

#B4BB39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4BB39

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4BB39	#FFFFFF	#000000	##000000
##B4BB39	1.00	2.08	10.11	10.11
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.11	21.00	1.00	1.00
##000000	10.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B224

Deuteranopia (green-blind)

#C9B543

Tritanopia (blue-blind)

#C0B0A1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b4bb39;
/* rgb */ color: rgb(180, 187, 57);
/* oklch */ color: oklch(76.3% 0.149 112.5);

Tailwind

colors: {
  custom: {
    50: '#cecf78',
    500: '#b4bb39',
    950: '#000000',
  },
}

SCSS

$custom: #b4bb39;
$custom-light: #cecf78;
$custom-dark: #000000;

JSON

{
  "hex": "#b4bb39",
  "rgb": {
    "r": 180,
    "g": 187,
    "b": 57
  },
  "hsl": {
    "h": 63.231,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.763,
    "c": 0.14866,
    "h": 112.5
  },
  "luminance": 0.45539
}

Semantic roles & 50–950 ramp

primary

#B4BB39

secondary

#8B87C8

accent

#4BDD53

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141309

muted

#83827B

Preview Lab

Preview with #B4BB39

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

Preview Lab → · Contrast checker → · Palette generator →