#B4BB31#B4BB31

#B4BB31 is a light, vivid yellow. Relative luminance 0.455; OKLCH L 76.2% C 0.154 H 112.5°. Best body text is #000000 at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#B4BB31
RGB	rgb(180, 187, 49)
HSL	hsl(63, 58%, 46%)
HSV	hsv(63, 74%, 73%)
CMYK	cmyk(3.7%, 0%, 73.8%, 26.7%)
CIE-LAB	lab(73.20, -18.90, 64.39)
CIE-LCH	lch(73.20, 67.11, 106.36°)
OKLab	oklab(76.25% -0.0587 0.1419)
OKLCH	oklch(76.25% 0.154 112.5)
XYZ	xyz(37.1483, 45.4666, 9.7242)
Luminance	0.4547 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4BB31 #3831BB

analogous

#BB7D31 #B4BB31 #6FBB31

triadic

#B4BB31 #31B4BB #BB31B4

tetradic

#B4BB31 #31BB7D #3831BB #BB316F

square

#B4BB31 #31BB7D #3831BB #BB316F

split-complementary

#B4BB31 #316FBB #7D31BB

monochromatic

#575A18 #858B24 #B4BB31 #CDD356 #DBE087

Accessibility & contrast

On white

2.08

#B4BB31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.09

#B4BB31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4BB31

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4BB31	#FFFFFF	#000000	##000000
##B4BB31	1.00	2.08	10.09	10.09
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.09	21.00	1.00	1.00
##000000	10.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B213

Deuteranopia (green-blind)

#CAB53C

Tritanopia (blue-blind)

#C0AFA1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b4bb31;
/* rgb */ color: rgb(180, 187, 49);
/* oklch */ color: oklch(76.2% 0.154 112.5);

Tailwind

colors: {
  custom: {
    50: '#cecf74',
    500: '#b4bb31',
    950: '#000000',
  },
}

SCSS

$custom: #b4bb31;
$custom-light: #cecf74;
$custom-dark: #000000;

JSON

{
  "hex": "#b4bb31",
  "rgb": {
    "r": 180,
    "g": 187,
    "b": 49
  },
  "hsl": {
    "h": 63.043,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.76246,
    "c": 0.15354,
    "h": 112.5
  },
  "luminance": 0.45466
}

Semantic roles & 50–950 ramp

primary

#B4BB31

secondary

#827FC9

accent

#46E24E

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B4BB31

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

Preview Lab → · Contrast checker → · Palette generator →