#B3BB37#B3BB37

#B3BB37 is a light, vivid yellow. Relative luminance 0.454; OKLCH L 76.2% C 0.150 H 112.9°. Best body text is #000000 at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#B3BB37
RGB	rgb(179, 187, 55)
HSL	hsl(64, 55%, 47%)
HSV	hsv(64, 71%, 73%)
CMYK	cmyk(4.3%, 0%, 70.6%, 26.7%)
CIE-LAB	lab(73.16, -19.04, 62.22)
CIE-LCH	lch(73.16, 65.07, 107.01°)
OKLab	oklab(76.2% -0.0584 0.1384)
OKLCH	oklch(76.2% 0.15 112.9)
XYZ	xyz(37.0514, 45.4010, 10.4252)
Luminance	0.4540 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3BB37 #3F37BB

analogous

#BB8137 #B3BB37 #71BB37

triadic

#B3BB37 #37B3BB #BB37B3

tetradic

#B3BB37 #37BB81 #3F37BB #BB3771

square

#B3BB37 #37BB81 #3F37BB #BB3771

split-complementary

#B3BB37 #3771BB #8137BB

monochromatic

#585C1B #868C29 #B3BB37 #C9D05F #D9DE8E

Accessibility & contrast

On white

2.08

#B3BB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.08

#B3BB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3BB37

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3BB37	#FFFFFF	#000000	##000000
##B3BB37	1.00	2.08	10.08	10.08
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.08	21.00	1.00	1.00
##000000	10.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B220

Deuteranopia (green-blind)

#C9B541

Tritanopia (blue-blind)

#BFB0A1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b3bb37;
/* rgb */ color: rgb(179, 187, 55);
/* oklch */ color: oklch(76.2% 0.150 112.9);

Tailwind

colors: {
  custom: {
    50: '#cdcf77',
    500: '#b3bb37',
    950: '#000000',
  },
}

SCSS

$custom: #b3bb37;
$custom-light: #cdcf77;
$custom-dark: #000000;

JSON

{
  "hex": "#b3bb37",
  "rgb": {
    "r": 179,
    "g": 187,
    "b": 55
  },
  "hsl": {
    "h": 63.636,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.76204,
    "c": 0.15021,
    "h": 112.9
  },
  "luminance": 0.454
}

Semantic roles & 50–950 ramp

primary

#B3BB37

secondary

#8985C9

accent

#4ADE53

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141309

muted

#83827B

Preview Lab

Preview with #B3BB37

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

Preview Lab → · Contrast checker → · Palette generator →