#B5BB31#B5BB31

#B5BB31 is a light, vivid yellow. Relative luminance 0.456; OKLCH L 76.3% C 0.153 H 112.0°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#B5BB31
RGB	rgb(181, 187, 49)
HSL	hsl(63, 58%, 46%)
HSV	hsv(63, 74%, 73%)
CMYK	cmyk(3.2%, 0%, 73.8%, 26.7%)
CIE-LAB	lab(73.28, -18.48, 64.49)
CIE-LCH	lch(73.28, 67.09, 105.99°)
OKLab	oklab(76.33% -0.0575 0.1421)
OKLCH	oklch(76.33% 0.153 112)
XYZ	xyz(37.3820, 45.5871, 9.7351)
Luminance	0.4559 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5BB31 #3731BB

analogous

#BB7C31 #B5BB31 #70BB31

triadic

#B5BB31 #31B5BB #BB31B5

tetradic

#B5BB31 #31BB7C #3731BB #BB3170

square

#B5BB31 #31BB7C #3731BB #BB3170

split-complementary

#B5BB31 #3170BB #7C31BB

monochromatic

#575A18 #868B24 #B5BB31 #CDD356 #DCE087

Accessibility & contrast

On white

2.08

#B5BB31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#B5BB31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5BB31

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5BB31	#FFFFFF	#000000	##000000
##B5BB31	1.00	2.08	10.12	10.12
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B213

Deuteranopia (green-blind)

#CAB63C

Tritanopia (blue-blind)

#C2AFA1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b5bb31;
/* rgb */ color: rgb(181, 187, 49);
/* oklch */ color: oklch(76.3% 0.153 112.0);

Tailwind

colors: {
  custom: {
    50: '#cfcf74',
    500: '#b5bb31',
    950: '#000000',
  },
}

SCSS

$custom: #b5bb31;
$custom-light: #cfcf74;
$custom-dark: #000000;

JSON

{
  "hex": "#b5bb31",
  "rgb": {
    "r": 181,
    "g": 187,
    "b": 49
  },
  "hsl": {
    "h": 62.609,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.76329,
    "c": 0.15329,
    "h": 112
  },
  "luminance": 0.45586
}

Semantic roles & 50–950 ramp

primary

#B5BB31

secondary

#827FC9

accent

#46E24D

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B5BB31

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

Preview Lab → · Contrast checker → · Palette generator →