#B5BB37#B5BB37

#B5BB37 is a light, vivid yellow. Relative luminance 0.456; OKLCH L 76.4% C 0.150 H 112.0°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#B5BB37
RGB	rgb(181, 187, 55)
HSL	hsl(63, 55%, 47%)
HSV	hsv(63, 71%, 73%)
CMYK	cmyk(3.2%, 0%, 70.6%, 26.7%)
CIE-LAB	lab(73.31, -18.19, 62.43)
CIE-LCH	lch(73.31, 65.02, 106.25°)
OKLab	oklab(76.37% -0.0562 0.1388)
OKLCH	oklch(76.37% 0.15 112)
XYZ	xyz(37.5171, 45.6411, 10.4470)
Luminance	0.4564 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5BB37 #3D37BB

analogous

#BB7F37 #B5BB37 #73BB37

triadic

#B5BB37 #37B5BB #BB37B5

tetradic

#B5BB37 #37BB7F #3D37BB #BB3773

square

#B5BB37 #37BB7F #3D37BB #BB3773

split-complementary

#B5BB37 #3773BB #7F37BB

monochromatic

#595C1B #878C29 #B5BB37 #CBD05F #DADE8E

Accessibility & contrast

On white

2.07

#B5BB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#B5BB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5BB37

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5BB37	#FFFFFF	#000000	##000000
##B5BB37	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B220

Deuteranopia (green-blind)

#CAB641

Tritanopia (blue-blind)

#C1B0A1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b5bb37;
/* rgb */ color: rgb(181, 187, 55);
/* oklch */ color: oklch(76.4% 0.150 112.0);

Tailwind

colors: {
  custom: {
    50: '#cfcf77',
    500: '#b5bb37',
    950: '#000000',
  },
}

SCSS

$custom: #b5bb37;
$custom-light: #cfcf77;
$custom-dark: #000000;

JSON

{
  "hex": "#b5bb37",
  "rgb": {
    "r": 181,
    "g": 187,
    "b": 55
  },
  "hsl": {
    "h": 62.727,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.76368,
    "c": 0.1497,
    "h": 112
  },
  "luminance": 0.4564
}

Semantic roles & 50–950 ramp

primary

#B5BB37

secondary

#8885C9

accent

#4ADE51

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141309

muted

#83827B

Preview Lab

Preview with #B5BB37

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

Preview Lab → · Contrast checker → · Palette generator →