#B1B53D#B1B53D

#B1B53D is a light, vivid yellow. Relative luminance 0.427; OKLCH L 74.8% C 0.140 H 111.2°. Best body text is #000000 at 9.55:1 contrast (WCAG AA passes).

Color values

HEX#B1B53D
RGBrgb(177, 181, 61)
HSLhsl(62, 50%, 47%)
HSVhsv(62, 66%, 71%)
CMYKcmyk(2.2%, 0%, 66.3%, 29%)
CIE-LABlab(71.37, -16.53, 58.09)
CIE-LCHlch(71.37, 60.39, 105.89°)
OKLaboklab(74.75% -0.0507 0.1307)
OKLCHoklch(74.75% 0.14 111.2)
XYZxyz(35.4987, 42.7327, 10.7922)
Luminance0.4273 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1B53D #413DB5
analogous
#B57D3D #B1B53D #75B53D
triadic
#B1B53D #3DB1B5 #B53DB1
tetradic
#B1B53D #3DB57D #413DB5 #B53D75
square
#B1B53D #3DB57D #413DB5 #B53D75
split-complementary
#B1B53D #3D75B5 #7D3DB5
monochromatic
#57591E #84872E #B1B53D #C7CB64 #D8DA92

Accessibility & contrast

On white

2.20
#B1B53D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.55
#B1B53D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B53D
9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1B53D#FFFFFF#000000##000000
##B1B53D1.002.209.559.55
#FFFFFF2.201.0021.0021.00
#0000009.5521.001.001.00
##0000009.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#C3AD2C
Deuteranopia (green-blind)
#C3B045
Tritanopia (blue-blind)
#BDAA9D
Achromatopsia (no color)
#AFAFAF

Design tokens & code

CSS
--color: #b1b53d;
/* rgb */ color: rgb(177, 181, 61);
/* oklch */ color: oklch(74.8% 0.140 111.2);
Tailwind
colors: {
  custom: {
    50: '#cbcb79',
    500: '#b1b53d',
    950: '#000000',
  },
}
SCSS
$custom: #b1b53d;
$custom-light: #cbcb79;
$custom-dark: #000000;
JSON
{
  "hex": "#b1b53d",
  "rgb": {
    "r": 177,
    "g": 181,
    "b": 61
  },
  "hsl": {
    "h": 62,
    "s": 49.587,
    "l": 47.451
  },
  "oklch": {
    "l": 0.74753,
    "c": 0.14021,
    "h": 111.2
  },
  "luminance": 0.42732
}

Semantic roles & 50–950 ramp

primary
#B1B53D
secondary
#8A88C5
accent
#4FD953
background
#FCFCF7
surface
#F9F8EE
border
#D2D1C9
text
#141309
muted
#82827B

Preview Lab

Preview with #B1B53D

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

Preview Lab → · Contrast checker → · Palette generator →

#B1B53D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva