#B1BB3E#B1BB3E

#B1BB3E is a light, vivid yellow. Relative luminance 0.452; OKLCH L 76.1% C 0.146 H 113.8°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#B1BB3E
RGB	rgb(177, 187, 62)
HSL	hsl(65, 50%, 49%)
HSV	hsv(65, 67%, 73%)
CMYK	cmyk(5.3%, 0%, 66.8%, 26.7%)
CIE-LAB	lab(73.05, -19.49, 59.40)
CIE-LCH	lch(73.05, 62.52, 108.17°)
OKLab	oklab(76.09% -0.0589 0.1337)
OKLCH	oklch(76.09% 0.146 113.8)
XYZ	xyz(36.7723, 45.2363, 11.3509)
Luminance	0.4524 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BB3E #483EBB

analogous

#BB873E #B1BB3E #73BB3E

triadic

#B1BB3E #3EB1BB #BB3EB1

tetradic

#B1BB3E #3EBB87 #483EBB #BB3E73

square

#B1BB3E #3EBB87 #483EBB #BB3E73

split-complementary

#B1BB3E #3E73BB #873EBB

monochromatic

#5A5F20 #858D2F #B1BB3E #C5CD69 #D7DC97

Accessibility & contrast

On white

2.09

#B1BB3E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#B1BB3E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BB3E

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BB3E	#FFFFFF	#000000	##000000
##B1BB3E	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B22C

Deuteranopia (green-blind)

#C8B547

Tritanopia (blue-blind)

#BCB0A2

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #b1bb3e;
/* rgb */ color: rgb(177, 187, 62);
/* oklch */ color: oklch(76.1% 0.146 113.8);

Tailwind

colors: {
  custom: {
    50: '#cbcf7a',
    500: '#b1bb3e',
    950: '#000000',
  },
}

SCSS

$custom: #b1bb3e;
$custom-light: #cbcf7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bb3e",
  "rgb": {
    "r": 177,
    "g": 187,
    "b": 62
  },
  "hsl": {
    "h": 64.8,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.76094,
    "c": 0.14605,
    "h": 113.8
  },
  "luminance": 0.45236
}

Semantic roles & 50–950 ramp

primary

#B1BB3E

secondary

#918DC8

accent

#4EDA59

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#14130A

muted

#82827C

Preview Lab

Preview with #B1BB3E

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

Preview Lab → · Contrast checker → · Palette generator →