#B1BB50#B1BB50

#B1BB50 is a light, vivid yellow. Relative luminance 0.455; OKLCH L 76.3% C 0.132 H 114.0°. Best body text is #000000 at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#B1BB50
RGB	rgb(177, 187, 80)
HSL	hsl(66, 44%, 52%)
HSV	hsv(66, 57%, 73%)
CMYK	cmyk(5.3%, 0%, 57.2%, 26.7%)
CIE-LAB	lab(73.20, -18.25, 51.90)
CIE-LCH	lch(73.20, 55.02, 109.37°)
OKLab	oklab(76.26% -0.0535 0.1203)
OKLCH	oklch(76.26% 0.132 114)
XYZ	xyz(37.3505, 45.4676, 14.3964)
Luminance	0.4547 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BB50 #5A50BB

analogous

#BB8F50 #B1BB50 #7CBB50

triadic

#B1BB50 #50B1BB #BB50B1

tetradic

#B1BB50 #50BB8F #5A50BB #BB507C

square

#B1BB50 #50BB8F #5A50BB #BB507C

split-complementary

#B1BB50 #507CBB #8F50BB

monochromatic

#626828 #8C943A #B1BB50 #C5CC7C #D8DDA8

Accessibility & contrast

On white

2.08

#B1BB50 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.09

#B1BB50 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BB50

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BB50	#FFFFFF	#000000	##000000
##B1BB50	1.00	2.08	10.09	10.09
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.09	21.00	1.00	1.00
##000000	10.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B345

Deuteranopia (green-blind)

#C7B556

Tritanopia (blue-blind)

#BBB1A4

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b1bb50;
/* rgb */ color: rgb(177, 187, 80);
/* oklch */ color: oklch(76.3% 0.132 114.0);

Tailwind

colors: {
  custom: {
    50: '#cbcf85',
    500: '#b1bb50',
    950: '#000000',
  },
}

SCSS

$custom: #b1bb50;
$custom-light: #cbcf85;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bb50",
  "rgb": {
    "r": 177,
    "g": 187,
    "b": 80
  },
  "hsl": {
    "h": 65.607,
    "s": 44.033,
    "l": 52.353
  },
  "oklch": {
    "l": 0.76264,
    "c": 0.13164,
    "h": 114
  },
  "luminance": 0.45467
}

Semantic roles & 50–950 ramp

primary

#B1BB50

secondary

#A09CCB

accent

#54D460

background

#FCFCF8

surface

#F9F9EF

border

#D2D2CA

text

#14130B

muted

#82827C

Preview Lab

Preview with #B1BB50

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

Preview Lab → · Contrast checker → · Palette generator →