#B5BB3B#B5BB3B

#B5BB3B is a light, vivid yellow. Relative luminance 0.457; OKLCH L 76.4% C 0.147 H 112.0°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#B5BB3B
RGB	rgb(181, 187, 59)
HSL	hsl(63, 52%, 48%)
HSV	hsv(63, 68%, 73%)
CMYK	cmyk(3.2%, 0%, 68.4%, 26.7%)
CIE-LAB	lab(73.34, -17.98, 60.96)
CIE-LCH	lch(73.34, 63.56, 106.43°)
OKLab	oklab(76.4% -0.0552 0.1363)
OKLCH	oklch(76.4% 0.147 112)
XYZ	xyz(37.6169, 45.6811, 10.9726)
Luminance	0.4568 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5BB3B #413BBB

analogous

#BB813B #B5BB3B #75BB3B

triadic

#B5BB3B #3BB5BB #BB3BB5

tetradic

#B5BB3B #3BBB81 #413BBB #BB3B75

square

#B5BB3B #3BBB81 #413BBB #BB3B75

split-complementary

#B5BB3B #3B75BB #813BBB

monochromatic

#5B5E1E #888C2C #B5BB3B #C9CE65 #DADD93

Accessibility & contrast

On white

2.07

#B5BB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#B5BB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5BB3B

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5BB3B	#FFFFFF	#000000	##000000
##B5BB3B	1.00	2.07	10.14	10.14
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.14	21.00	1.00	1.00
##000000	10.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B227

Deuteranopia (green-blind)

#CAB644

Tritanopia (blue-blind)

#C1B0A2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b5bb3b;
/* rgb */ color: rgb(181, 187, 59);
/* oklch */ color: oklch(76.4% 0.147 112.0);

Tailwind

colors: {
  custom: {
    50: '#cecf79',
    500: '#b5bb3b',
    950: '#000000',
  },
}

SCSS

$custom: #b5bb3b;
$custom-light: #cecf79;
$custom-dark: #000000;

JSON

{
  "hex": "#b5bb3b",
  "rgb": {
    "r": 181,
    "g": 187,
    "b": 59
  },
  "hsl": {
    "h": 62.813,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.76397,
    "c": 0.14709,
    "h": 112
  },
  "luminance": 0.4568
}

Semantic roles & 50–950 ramp

primary

#B5BB3B

secondary

#8C8AC8

accent

#4CDB53

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141309

muted

#83827B

Preview Lab

Preview with #B5BB3B

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

Preview Lab → · Contrast checker → · Palette generator →