#B1BB2D#B1BB2D

#B1BB2D is a light, vivid yellow. Relative luminance 0.451; OKLCH L 76.0% C 0.157 H 113.7°. Best body text is #000000 at 10.02:1 contrast (WCAG AA passes).

Color values

HEX#B1BB2D
RGBrgb(177, 187, 45)
HSLhsl(64, 61%, 45%)
HSVhsv(64, 76%, 73%)
CMYKcmyk(5.3%, 0%, 75.9%, 26.7%)
CIE-LABlab(72.94, -20.36, 65.38)
CIE-LCHlch(72.94, 68.47, 107.29°)
OKLaboklab(75.98% -0.0629 0.1434)
OKLCHoklch(75.98% 0.157 113.7)
XYZxyz(36.3766, 45.0780, 9.2668)
Luminance0.4508 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1BB2D #372DBB
analogous
#BB7E2D #B1BB2D #6ABB2D
triadic
#B1BB2D #2DB1BB #BB2DB1
tetradic
#B1BB2D #2DBB7E #372DBB #BB2D6A
square
#B1BB2D #2DBB7E #372DBB #BB2D6A
split-complementary
#B1BB2D #2D6ABB #7E2DBB
monochromatic
#545815 #828A21 #B1BB2D #CCD550 #DAE182

Accessibility & contrast

On white

2.10
#B1BB2D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.02
#B1BB2D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BB2D
10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1BB2D#FFFFFF#000000##000000
##B1BB2D1.002.1010.0210.02
#FFFFFF2.101.0021.0021.00
#00000010.0221.001.001.00
##00000010.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#C9B207
Deuteranopia (green-blind)
#C9B439
Tritanopia (blue-blind)
#BDB0A0
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #b1bb2d;
/* rgb */ color: rgb(177, 187, 45);
/* oklch */ color: oklch(76.0% 0.157 113.7);
Tailwind
colors: {
  custom: {
    50: '#cccf72',
    500: '#b1bb2d',
    950: '#000000',
  },
}
SCSS
$custom: #b1bb2d;
$custom-light: #cccf72;
$custom-dark: #000000;
JSON
{
  "hex": "#b1bb2d",
  "rgb": {
    "r": 177,
    "g": 187,
    "b": 45
  },
  "hsl": {
    "h": 64.225,
    "s": 61.207,
    "l": 45.49
  },
  "oklch": {
    "l": 0.75978,
    "c": 0.15656,
    "h": 113.7
  },
  "luminance": 0.45077
}

Semantic roles & 50–950 ramp

primary
#B1BB2D
secondary
#807ACA
accent
#43E44F
background
#FDFCF7
surface
#FAF9ED
border
#D3D2C8
text
#141308
muted
#83827B

Preview Lab

Preview with #B1BB2D

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

Preview Lab → · Contrast checker → · Palette generator →

#B1BB2D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva