#B5BB39#B5BB39

#B5BB39 is a light, vivid yellow. Relative luminance 0.457; OKLCH L 76.4% C 0.148 H 112.0°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#B5BB39
RGB	rgb(181, 187, 57)
HSL	hsl(63, 53%, 48%)
HSV	hsv(63, 70%, 73%)
CMYK	cmyk(3.2%, 0%, 69.5%, 26.7%)
CIE-LAB	lab(73.32, -18.09, 61.70)
CIE-LCH	lch(73.32, 64.30, 106.34°)
OKLab	oklab(76.38% -0.0557 0.1376)
OKLCH	oklch(76.38% 0.148 112)
XYZ	xyz(37.5661, 45.6607, 10.7046)
Luminance	0.4566 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5BB39 #3F39BB

analogous

#BB8039 #B5BB39 #74BB39

triadic

#B5BB39 #39B5BB #BB39B5

tetradic

#B5BB39 #39BB80 #3F39BB #BB3974

square

#B5BB39 #39BB80 #3F39BB #BB3974

split-complementary

#B5BB39 #3974BB #8039BB

monochromatic

#5A5D1C #888C2B #B5BB39 #CACF62 #DADD91

Accessibility & contrast

On white

2.07

#B5BB39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#B5BB39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5BB39

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5BB39	#FFFFFF	#000000	##000000
##B5BB39	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)

#C9B224

Deuteranopia (green-blind)

#CAB643

Tritanopia (blue-blind)

#C1B0A1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b5bb39;
/* rgb */ color: rgb(181, 187, 57);
/* oklch */ color: oklch(76.4% 0.148 112.0);

Tailwind

colors: {
  custom: {
    50: '#cecf78',
    500: '#b5bb39',
    950: '#000000',
  },
}

SCSS

$custom: #b5bb39;
$custom-light: #cecf78;
$custom-dark: #000000;

JSON

{
  "hex": "#b5bb39",
  "rgb": {
    "r": 181,
    "g": 187,
    "b": 57
  },
  "hsl": {
    "h": 62.769,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.76383,
    "c": 0.14841,
    "h": 112
  },
  "luminance": 0.4566
}

Semantic roles & 50–950 ramp

primary

#B5BB39

secondary

#8A87C8

accent

#4BDD52

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141309

muted

#83827B

Preview Lab

Preview with #B5BB39

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

Preview Lab → · Contrast checker → · Palette generator →